405888444

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{6829}}^1$

素因数の和:6979

約数の個数: 72

約数和(自身を含む): 1113781760

約数和(自身を除く): 707893316

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 127, 156, 234, 254, 381, 468, 508, 762, 1143, 1524, 1651, 2286, 3302, 4572, 4953, 6604, 6829, 9906, 13658, 14859, 19812, 20487, 27316, 29718, 40974, 59436, 61461, 81948, 88777, 122922, 177554, 245844, 266331, 355108, 532662, 798993, 867283, 1065324, 1597986, 1734566, 2601849, 3195972, 3469132, 5203698, 7805547, 10407396, 11274679, 15611094, 22549358, 31222188, 33824037, 45098716, 67648074, 101472111, 135296148, 202944222, 405888444]

約数ペア:

[(1, 405888444), (2, 202944222), (3, 135296148), (4, 101472111), (6, 67648074), (9, 45098716), (12, 33824037), (13, 31222188), (18, 22549358), (26, 15611094), (36, 11274679), (39, 10407396), (52, 7805547), (78, 5203698), (117, 3469132), (127, 3195972), (156, 2601849), (234, 1734566), (254, 1597986), (381, 1065324), (468, 867283), (508, 798993), (762, 532662), (1143, 355108), (1524, 266331), (1651, 245844), (2286, 177554), (3302, 122922), (4572, 88777), (4953, 81948), (6604, 61461), (6829, 59436), (9906, 40974), (13658, 29718), (14859, 27316), (19812, 20487)]