90711972

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{811}}^1$

素因数の和:1073

約数の個数: 72

約数和(自身を含む): 248277120

約数和(自身を除く): 157565148

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 239, 468, 478, 717, 811, 956, 1434, 1622, 2151, 2433, 2868, 3107, 3244, 4302, 4866, 6214, 7299, 8604, 9321, 9732, 10543, 12428, 14598, 18642, 21086, 27963, 29196, 31629, 37284, 42172, 55926, 63258, 94887, 111852, 126516, 189774, 193829, 379548, 387658, 581487, 775316, 1162974, 1744461, 2325948, 2519777, 3488922, 5039554, 6977844, 7559331, 10079108, 15118662, 22677993, 30237324, 45355986, 90711972]

約数ペア:

[(1, 90711972), (2, 45355986), (3, 30237324), (4, 22677993), (6, 15118662), (9, 10079108), (12, 7559331), (13, 6977844), (18, 5039554), (26, 3488922), (36, 2519777), (39, 2325948), (52, 1744461), (78, 1162974), (117, 775316), (156, 581487), (234, 387658), (239, 379548), (468, 193829), (478, 189774), (717, 126516), (811, 111852), (956, 94887), (1434, 63258), (1622, 55926), (2151, 42172), (2433, 37284), (2868, 31629), (3107, 29196), (3244, 27963), (4302, 21086), (4866, 18642), (6214, 14598), (7299, 12428), (8604, 10543), (9321, 9732)]