8217728

素因数分解:

$2^7\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{109}}^1$

素因数の和:173

約数の個数: 64

約数和(自身を含む): 17952000

約数和(自身を除く): 9734272

約数列:

[1, 2, 4, 8, 16, 19, 31, 32, 38, 62, 64, 76, 109, 124, 128, 152, 218, 248, 304, 436, 496, 589, 608, 872, 992, 1178, 1216, 1744, 1984, 2071, 2356, 2432, 3379, 3488, 3968, 4142, 4712, 6758, 6976, 8284, 9424, 13516, 13952, 16568, 18848, 27032, 33136, 37696, 54064, 64201, 66272, 75392, 108128, 128402, 132544, 216256, 256804, 265088, 432512, 513608, 1027216, 2054432, 4108864, 8217728]

約数ペア:

[(1, 8217728), (2, 4108864), (4, 2054432), (8, 1027216), (16, 513608), (19, 432512), (31, 265088), (32, 256804), (38, 216256), (62, 132544), (64, 128402), (76, 108128), (109, 75392), (124, 66272), (128, 64201), (152, 54064), (218, 37696), (248, 33136), (304, 27032), (436, 18848), (496, 16568), (589, 13952), (608, 13516), (872, 9424), (992, 8284), (1178, 6976), (1216, 6758), (1744, 4712), (1984, 4142), (2071, 3968), (2356, 3488), (2432, 3379)]