78122512

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{379}}^1\times {\mathrm{991}}^1$

素因数の和:1391

約数の個数: 40

約数和(自身を含む): 163600640

約数和(自身を除く): 85478128

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 379, 758, 991, 1516, 1982, 3032, 3964, 4927, 6064, 7928, 9854, 12883, 15856, 19708, 25766, 39416, 51532, 78832, 103064, 206128, 375589, 751178, 1502356, 3004712, 4882657, 6009424, 9765314, 19530628, 39061256, 78122512]

約数ペア:

[(1, 78122512), (2, 39061256), (4, 19530628), (8, 9765314), (13, 6009424), (16, 4882657), (26, 3004712), (52, 1502356), (104, 751178), (208, 375589), (379, 206128), (758, 103064), (991, 78832), (1516, 51532), (1982, 39416), (3032, 25766), (3964, 19708), (4927, 15856), (6064, 12883), (7928, 9854)]