31387648

素因数分解:

$2^{12}\times {\mathrm{79}}^1\times {\mathrm{97}}^1$

素因数の和:200

約数の個数: 52

約数和(自身を含む): 64217440

約数和(自身を除く): 32829792

約数列:

[1, 2, 4, 8, 16, 32, 64, 79, 97, 128, 158, 194, 256, 316, 388, 512, 632, 776, 1024, 1264, 1552, 2048, 2528, 3104, 4096, 5056, 6208, 7663, 10112, 12416, 15326, 20224, 24832, 30652, 40448, 49664, 61304, 80896, 99328, 122608, 161792, 198656, 245216, 323584, 397312, 490432, 980864, 1961728, 3923456, 7846912, 15693824, 31387648]

約数ペア:

[(1, 31387648), (2, 15693824), (4, 7846912), (8, 3923456), (16, 1961728), (32, 980864), (64, 490432), (79, 397312), (97, 323584), (128, 245216), (158, 198656), (194, 161792), (256, 122608), (316, 99328), (388, 80896), (512, 61304), (632, 49664), (776, 40448), (1024, 30652), (1264, 24832), (1552, 20224), (2048, 15326), (2528, 12416), (3104, 10112), (4096, 7663), (5056, 6208)]