31660672

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{79}}^1\times {\mathrm{101}}^1$

素因数の和:225

約数の個数: 64

約数和(自身を含む): 66585600

約数和(自身を除く): 34924928

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 79, 101, 124, 128, 158, 202, 248, 316, 404, 496, 632, 808, 992, 1264, 1616, 1984, 2449, 2528, 3131, 3232, 3968, 4898, 5056, 6262, 6464, 7979, 9796, 10112, 12524, 12928, 15958, 19592, 25048, 31916, 39184, 50096, 63832, 78368, 100192, 127664, 156736, 200384, 247349, 255328, 313472, 400768, 494698, 510656, 989396, 1021312, 1978792, 3957584, 7915168, 15830336, 31660672]

約数ペア:

[(1, 31660672), (2, 15830336), (4, 7915168), (8, 3957584), (16, 1978792), (31, 1021312), (32, 989396), (62, 510656), (64, 494698), (79, 400768), (101, 313472), (124, 255328), (128, 247349), (158, 200384), (202, 156736), (248, 127664), (316, 100192), (404, 78368), (496, 63832), (632, 50096), (808, 39184), (992, 31916), (1264, 25048), (1616, 19592), (1984, 15958), (2449, 12928), (2528, 12524), (3131, 10112), (3232, 9796), (3968, 7979), (4898, 6464), (5056, 6262)]