129557428

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{19}}^1\times {\mathrm{131}}^1$

素因数の和:198

約数の個数: 144

約数和(自身を含む): 324656640

約数和(自身を除く): 195099212

約数列:

[1, 2, 4, 7, 11, 13, 14, 19, 22, 26, 28, 38, 44, 52, 76, 77, 91, 131, 133, 143, 154, 169, 182, 209, 247, 262, 266, 286, 308, 338, 364, 418, 494, 524, 532, 572, 676, 836, 917, 988, 1001, 1183, 1441, 1463, 1703, 1729, 1834, 1859, 2002, 2366, 2489, 2717, 2882, 2926, 3211, 3406, 3458, 3668, 3718, 4004, 4732, 4978, 5434, 5764, 5852, 6422, 6812, 6916, 7436, 9956, 10087, 10868, 11921, 12844, 13013, 17423, 18733, 19019, 20174, 22139, 22477, 23842, 26026, 27379, 32357, 34846, 35321, 37466, 38038, 40348, 44278, 44954, 47684, 52052, 54758, 64714, 69692, 70642, 74932, 76076, 88556, 89908, 109516, 129428, 131131, 141284, 154973, 191653, 226499, 243529, 247247, 262262, 309946, 355927, 383306, 420641, 452998, 487058, 494494, 524524, 619892, 711854, 766612, 841282, 905996, 974116, 988988, 1423708, 1682564, 1704703, 2491489, 2944487, 3409406, 4627051, 4982978, 5888974, 6818812, 9254102, 9965956, 11777948, 18508204, 32389357, 64778714, 129557428]

約数ペア:

[(1, 129557428), (2, 64778714), (4, 32389357), (7, 18508204), (11, 11777948), (13, 9965956), (14, 9254102), (19, 6818812), (22, 5888974), (26, 4982978), (28, 4627051), (38, 3409406), (44, 2944487), (52, 2491489), (76, 1704703), (77, 1682564), (91, 1423708), (131, 988988), (133, 974116), (143, 905996), (154, 841282), (169, 766612), (182, 711854), (209, 619892), (247, 524524), (262, 494494), (266, 487058), (286, 452998), (308, 420641), (338, 383306), (364, 355927), (418, 309946), (494, 262262), (524, 247247), (532, 243529), (572, 226499), (676, 191653), (836, 154973), (917, 141284), (988, 131131), (1001, 129428), (1183, 109516), (1441, 89908), (1463, 88556), (1703, 76076), (1729, 74932), (1834, 70642), (1859, 69692), (2002, 64714), (2366, 54758), (2489, 52052), (2717, 47684), (2882, 44954), (2926, 44278), (3211, 40348), (3406, 38038), (3458, 37466), (3668, 35321), (3718, 34846), (4004, 32357), (4732, 27379), (4978, 26026), (5434, 23842), (5764, 22477), (5852, 22139), (6422, 20174), (6812, 19019), (6916, 18733), (7436, 17423), (9956, 13013), (10087, 12844), (10868, 11921)]