128572236

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{6389}}^1$

素因数の和:6455

約数の個数: 72

約数和(自身を含む): 358197840

約数和(自身を除く): 229625604

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 43, 52, 78, 86, 117, 129, 156, 172, 234, 258, 387, 468, 516, 559, 774, 1118, 1548, 1677, 2236, 3354, 5031, 6389, 6708, 10062, 12778, 19167, 20124, 25556, 38334, 57501, 76668, 83057, 115002, 166114, 230004, 249171, 274727, 332228, 498342, 549454, 747513, 824181, 996684, 1098908, 1495026, 1648362, 2472543, 2990052, 3296724, 3571451, 4945086, 7142902, 9890172, 10714353, 14285804, 21428706, 32143059, 42857412, 64286118, 128572236]

約数ペア:

[(1, 128572236), (2, 64286118), (3, 42857412), (4, 32143059), (6, 21428706), (9, 14285804), (12, 10714353), (13, 9890172), (18, 7142902), (26, 4945086), (36, 3571451), (39, 3296724), (43, 2990052), (52, 2472543), (78, 1648362), (86, 1495026), (117, 1098908), (129, 996684), (156, 824181), (172, 747513), (234, 549454), (258, 498342), (387, 332228), (468, 274727), (516, 249171), (559, 230004), (774, 166114), (1118, 115002), (1548, 83057), (1677, 76668), (2236, 57501), (3354, 38334), (5031, 25556), (6389, 20124), (6708, 19167), (10062, 12778)]