161228210

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{3637}}^1$

素因数の和:3699

約数の個数: 64

約数和(自身を含む): 352041984

約数和(自身を除く): 190813774

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 3637, 4030, 4433, 7274, 8866, 18185, 22165, 36370, 40007, 44330, 47281, 80014, 94562, 112747, 200035, 225494, 236405, 400070, 472810, 520091, 563735, 1040182, 1127470, 1240217, 1465711, 2480434, 2600455, 2931422, 5200910, 6201085, 7328555, 12402170, 14657110, 16122821, 32245642, 80614105, 161228210]

約数ペア:

[(1, 161228210), (2, 80614105), (5, 32245642), (10, 16122821), (11, 14657110), (13, 12402170), (22, 7328555), (26, 6201085), (31, 5200910), (55, 2931422), (62, 2600455), (65, 2480434), (110, 1465711), (130, 1240217), (143, 1127470), (155, 1040182), (286, 563735), (310, 520091), (341, 472810), (403, 400070), (682, 236405), (715, 225494), (806, 200035), (1430, 112747), (1705, 94562), (2015, 80014), (3410, 47281), (3637, 44330), (4030, 40007), (4433, 36370), (7274, 22165), (8866, 18185)]