1321237534

素因数分解:

$2^1\times {\mathrm{139}}^1\times {\mathrm{149}}^1\times {\mathrm{167}}^1\times {\mathrm{191}}^1$

素因数の和:648

約数の個数: 32

約数和(自身を含む): 2032128000

約数和(自身を除く): 710890466

約数列:

[1, 2, 139, 149, 167, 191, 278, 298, 334, 382, 20711, 23213, 24883, 26549, 28459, 31897, 41422, 46426, 49766, 53098, 56918, 63794, 3458737, 3955801, 4433683, 4752653, 6917474, 7911602, 8867366, 9505306, 660618767, 1321237534]

約数ペア:

[(1, 1321237534), (2, 660618767), (139, 9505306), (149, 8867366), (167, 7911602), (191, 6917474), (278, 4752653), (298, 4433683), (334, 3955801), (382, 3458737), (20711, 63794), (23213, 56918), (24883, 53098), (26549, 49766), (28459, 46426), (31897, 41422)]