689702052

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{37}}^1\times {\mathrm{331}}^1$

素因数の和:426

約数の個数: 144

約数和(自身を含む): 1884224832

約数和(自身を除く): 1194522780

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 37, 38, 39, 52, 57, 74, 76, 78, 111, 114, 148, 156, 222, 228, 247, 331, 361, 444, 481, 494, 662, 703, 722, 741, 962, 988, 993, 1083, 1324, 1406, 1443, 1444, 1482, 1924, 1986, 2109, 2166, 2812, 2886, 2964, 3972, 4218, 4303, 4332, 4693, 5772, 6289, 8436, 8606, 9139, 9386, 12247, 12578, 12909, 13357, 14079, 17212, 18278, 18772, 18867, 24494, 25156, 25818, 26714, 27417, 28158, 36556, 36741, 37734, 40071, 48988, 51636, 53428, 54834, 56316, 73482, 75468, 80142, 81757, 109668, 119491, 146964, 159211, 160284, 163514, 173641, 232693, 238982, 245271, 318422, 327028, 347282, 358473, 465386, 477633, 477964, 490542, 520923, 636844, 694564, 698079, 716946, 930772, 955266, 981084, 1041846, 1396158, 1433892, 1553383, 1910532, 2083692, 2792316, 3025009, 3106766, 4421167, 4660149, 6050018, 6213532, 8842334, 9075027, 9320298, 12100036, 13263501, 17684668, 18150054, 18640596, 26527002, 36300108, 53054004, 57475171, 114950342, 172425513, 229900684, 344851026, 689702052]

約数ペア:

[(1, 689702052), (2, 344851026), (3, 229900684), (4, 172425513), (6, 114950342), (12, 57475171), (13, 53054004), (19, 36300108), (26, 26527002), (37, 18640596), (38, 18150054), (39, 17684668), (52, 13263501), (57, 12100036), (74, 9320298), (76, 9075027), (78, 8842334), (111, 6213532), (114, 6050018), (148, 4660149), (156, 4421167), (222, 3106766), (228, 3025009), (247, 2792316), (331, 2083692), (361, 1910532), (444, 1553383), (481, 1433892), (494, 1396158), (662, 1041846), (703, 981084), (722, 955266), (741, 930772), (962, 716946), (988, 698079), (993, 694564), (1083, 636844), (1324, 520923), (1406, 490542), (1443, 477964), (1444, 477633), (1482, 465386), (1924, 358473), (1986, 347282), (2109, 327028), (2166, 318422), (2812, 245271), (2886, 238982), (2964, 232693), (3972, 173641), (4218, 163514), (4303, 160284), (4332, 159211), (4693, 146964), (5772, 119491), (6289, 109668), (8436, 81757), (8606, 80142), (9139, 75468), (9386, 73482), (12247, 56316), (12578, 54834), (12909, 53428), (13357, 51636), (14079, 48988), (17212, 40071), (18278, 37734), (18772, 36741), (18867, 36556), (24494, 28158), (25156, 27417), (25818, 26714)]