128796444

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{16487}}^1$

素因数の和:16535

約数の個数: 72

約数和(自身を含む): 384104448

約数和(自身を除く): 255308004

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 186, 217, 252, 279, 372, 434, 558, 651, 868, 1116, 1302, 1953, 2604, 3906, 7812, 16487, 32974, 49461, 65948, 98922, 115409, 148383, 197844, 230818, 296766, 346227, 461636, 511097, 593532, 692454, 1022194, 1038681, 1384908, 1533291, 2044388, 2077362, 3066582, 3577679, 4154724, 4599873, 6133164, 7155358, 9199746, 10733037, 14310716, 18399492, 21466074, 32199111, 42932148, 64398222, 128796444]

約数ペア:

[(1, 128796444), (2, 64398222), (3, 42932148), (4, 32199111), (6, 21466074), (7, 18399492), (9, 14310716), (12, 10733037), (14, 9199746), (18, 7155358), (21, 6133164), (28, 4599873), (31, 4154724), (36, 3577679), (42, 3066582), (62, 2077362), (63, 2044388), (84, 1533291), (93, 1384908), (124, 1038681), (126, 1022194), (186, 692454), (217, 593532), (252, 511097), (279, 461636), (372, 346227), (434, 296766), (558, 230818), (651, 197844), (868, 148383), (1116, 115409), (1302, 98922), (1953, 65948), (2604, 49461), (3906, 32974), (7812, 16487)]