221574132

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{8933}}^1$

素因数の和:9009

約数の個数: 72

約数和(自身を含む): 614623464

約数和(自身を除く): 393049332

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 53, 78, 106, 117, 156, 159, 212, 234, 318, 468, 477, 636, 689, 954, 1378, 1908, 2067, 2756, 4134, 6201, 8268, 8933, 12402, 17866, 24804, 26799, 35732, 53598, 80397, 107196, 116129, 160794, 232258, 321588, 348387, 464516, 473449, 696774, 946898, 1045161, 1393548, 1420347, 1893796, 2090322, 2840694, 4180644, 4261041, 5681388, 6154837, 8522082, 12309674, 17044164, 18464511, 24619348, 36929022, 55393533, 73858044, 110787066, 221574132]

約数ペア:

[(1, 221574132), (2, 110787066), (3, 73858044), (4, 55393533), (6, 36929022), (9, 24619348), (12, 18464511), (13, 17044164), (18, 12309674), (26, 8522082), (36, 6154837), (39, 5681388), (52, 4261041), (53, 4180644), (78, 2840694), (106, 2090322), (117, 1893796), (156, 1420347), (159, 1393548), (212, 1045161), (234, 946898), (318, 696774), (468, 473449), (477, 464516), (636, 348387), (689, 321588), (954, 232258), (1378, 160794), (1908, 116129), (2067, 107196), (2756, 80397), (4134, 53598), (6201, 35732), (8268, 26799), (8933, 24804), (12402, 17866)]