665444312

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{1103}}^1\times {\mathrm{5801}}^1$

素因数の和:6923

約数の個数: 32

約数和(自身を含む): 1345135680

約数和(自身を除く): 679691368

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 1103, 2206, 4412, 5801, 8824, 11602, 14339, 23204, 28678, 46408, 57356, 75413, 114712, 150826, 301652, 603304, 6398503, 12797006, 25594012, 51188024, 83180539, 166361078, 332722156, 665444312]

約数ペア:

[(1, 665444312), (2, 332722156), (4, 166361078), (8, 83180539), (13, 51188024), (26, 25594012), (52, 12797006), (104, 6398503), (1103, 603304), (2206, 301652), (4412, 150826), (5801, 114712), (8824, 75413), (11602, 57356), (14339, 46408), (23204, 28678)]