127993424

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{233}}^1$

素因数の和:412

約数の個数: 80

約数和(自身を含む): 284356800

約数和(自身を除く): 156363376

約数列:

[1, 2, 4, 8, 13, 16, 19, 26, 38, 52, 76, 104, 139, 152, 208, 233, 247, 278, 304, 466, 494, 556, 932, 988, 1112, 1807, 1864, 1976, 2224, 2641, 3029, 3614, 3728, 3952, 4427, 5282, 6058, 7228, 8854, 10564, 12116, 14456, 17708, 21128, 24232, 28912, 32387, 34333, 35416, 42256, 48464, 57551, 64774, 68666, 70832, 115102, 129548, 137332, 230204, 259096, 274664, 421031, 460408, 518192, 549328, 615353, 842062, 920816, 1230706, 1684124, 2461412, 3368248, 4922824, 6736496, 7999589, 9845648, 15999178, 31998356, 63996712, 127993424]

約数ペア:

[(1, 127993424), (2, 63996712), (4, 31998356), (8, 15999178), (13, 9845648), (16, 7999589), (19, 6736496), (26, 4922824), (38, 3368248), (52, 2461412), (76, 1684124), (104, 1230706), (139, 920816), (152, 842062), (208, 615353), (233, 549328), (247, 518192), (278, 460408), (304, 421031), (466, 274664), (494, 259096), (556, 230204), (932, 137332), (988, 129548), (1112, 115102), (1807, 70832), (1864, 68666), (1976, 64774), (2224, 57551), (2641, 48464), (3029, 42256), (3614, 35416), (3728, 34333), (3952, 32387), (4427, 28912), (5282, 24232), (6058, 21128), (7228, 17708), (8854, 14456), (10564, 12116)]