158939728

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{137}}^1\times {\mathrm{2339}}^1$

素因数の和:2515

約数の個数: 40

約数和(自身を含む): 320336640

約数和(自身を除く): 161396912

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 137, 248, 274, 496, 548, 1096, 2192, 2339, 4247, 4678, 8494, 9356, 16988, 18712, 33976, 37424, 67952, 72509, 145018, 290036, 320443, 580072, 640886, 1160144, 1281772, 2563544, 5127088, 9933733, 19867466, 39734932, 79469864, 158939728]

約数ペア:

[(1, 158939728), (2, 79469864), (4, 39734932), (8, 19867466), (16, 9933733), (31, 5127088), (62, 2563544), (124, 1281772), (137, 1160144), (248, 640886), (274, 580072), (496, 320443), (548, 290036), (1096, 145018), (2192, 72509), (2339, 67952), (4247, 37424), (4678, 33976), (8494, 18712), (9356, 16988)]