127939448

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:197

約数の個数: 128

約数和(自身を含む): 311646720

約数和(自身を除く): 183707272

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 43, 52, 56, 61, 67, 86, 91, 104, 122, 134, 172, 182, 244, 268, 301, 344, 364, 427, 469, 488, 536, 559, 602, 728, 793, 854, 871, 938, 1118, 1204, 1586, 1708, 1742, 1876, 2236, 2408, 2623, 2881, 3172, 3416, 3484, 3752, 3913, 4087, 4472, 5246, 5551, 5762, 6097, 6344, 6968, 7826, 8174, 10492, 11102, 11524, 12194, 15652, 16348, 18361, 20167, 20984, 22204, 23048, 24388, 28609, 31304, 32696, 34099, 36722, 37453, 40334, 44408, 48776, 53131, 57218, 68198, 73444, 74906, 80668, 106262, 114436, 136396, 146888, 149812, 161336, 175741, 212524, 228872, 238693, 262171, 272792, 299624, 351482, 371917, 425048, 477386, 524342, 702964, 743834, 954772, 1048684, 1230187, 1405928, 1487668, 1909544, 2097368, 2284633, 2460374, 2975336, 4569266, 4920748, 9138532, 9841496, 15992431, 18277064, 31984862, 63969724, 127939448]

約数ペア:

[(1, 127939448), (2, 63969724), (4, 31984862), (7, 18277064), (8, 15992431), (13, 9841496), (14, 9138532), (26, 4920748), (28, 4569266), (43, 2975336), (52, 2460374), (56, 2284633), (61, 2097368), (67, 1909544), (86, 1487668), (91, 1405928), (104, 1230187), (122, 1048684), (134, 954772), (172, 743834), (182, 702964), (244, 524342), (268, 477386), (301, 425048), (344, 371917), (364, 351482), (427, 299624), (469, 272792), (488, 262171), (536, 238693), (559, 228872), (602, 212524), (728, 175741), (793, 161336), (854, 149812), (871, 146888), (938, 136396), (1118, 114436), (1204, 106262), (1586, 80668), (1708, 74906), (1742, 73444), (1876, 68198), (2236, 57218), (2408, 53131), (2623, 48776), (2881, 44408), (3172, 40334), (3416, 37453), (3484, 36722), (3752, 34099), (3913, 32696), (4087, 31304), (4472, 28609), (5246, 24388), (5551, 23048), (5762, 22204), (6097, 20984), (6344, 20167), (6968, 18361), (7826, 16348), (8174, 15652), (10492, 12194), (11102, 11524)]