128439864

素因数分解:

$2^3\times 3^3\times 7^1\times {\mathrm{84947}}^1$

素因数の和:84969

約数の個数: 64

約数和(自身を含む): 407750400

約数和(自身を除く): 279310536

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 27, 28, 36, 42, 54, 56, 63, 72, 84, 108, 126, 168, 189, 216, 252, 378, 504, 756, 1512, 84947, 169894, 254841, 339788, 509682, 594629, 679576, 764523, 1019364, 1189258, 1529046, 1783887, 2038728, 2293569, 2378516, 3058092, 3567774, 4587138, 4757032, 5351661, 6116184, 7135548, 9174276, 10703322, 14271096, 16054983, 18348552, 21406644, 32109966, 42813288, 64219932, 128439864]

約数ペア:

[(1, 128439864), (2, 64219932), (3, 42813288), (4, 32109966), (6, 21406644), (7, 18348552), (8, 16054983), (9, 14271096), (12, 10703322), (14, 9174276), (18, 7135548), (21, 6116184), (24, 5351661), (27, 4757032), (28, 4587138), (36, 3567774), (42, 3058092), (54, 2378516), (56, 2293569), (63, 2038728), (72, 1783887), (84, 1529046), (108, 1189258), (126, 1019364), (168, 764523), (189, 679576), (216, 594629), (252, 509682), (378, 339788), (504, 254841), (756, 169894), (1512, 84947)]