172775772

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11909}}^1$

素因数の和:11963

約数の個数: 72

約数和(自身を含む): 485546880

約数和(自身を除く): 312771108

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 31, 36, 39, 52, 62, 78, 93, 117, 124, 156, 186, 234, 279, 372, 403, 468, 558, 806, 1116, 1209, 1612, 2418, 3627, 4836, 7254, 11909, 14508, 23818, 35727, 47636, 71454, 107181, 142908, 154817, 214362, 309634, 369179, 428724, 464451, 619268, 738358, 928902, 1107537, 1393353, 1476716, 1857804, 2215074, 2786706, 3322611, 4430148, 4799327, 5573412, 6645222, 9598654, 13290444, 14397981, 19197308, 28795962, 43193943, 57591924, 86387886, 172775772]

約数ペア:

[(1, 172775772), (2, 86387886), (3, 57591924), (4, 43193943), (6, 28795962), (9, 19197308), (12, 14397981), (13, 13290444), (18, 9598654), (26, 6645222), (31, 5573412), (36, 4799327), (39, 4430148), (52, 3322611), (62, 2786706), (78, 2215074), (93, 1857804), (117, 1476716), (124, 1393353), (156, 1107537), (186, 928902), (234, 738358), (279, 619268), (372, 464451), (403, 428724), (468, 369179), (558, 309634), (806, 214362), (1116, 154817), (1209, 142908), (1612, 107181), (2418, 71454), (3627, 47636), (4836, 35727), (7254, 23818), (11909, 14508)]