78428448

素因数分解:

$2^5\times 3^2\times 7^1\times {\mathrm{38903}}^1$

素因数の和:38926

約数の個数: 72

約数和(自身を含む): 254899008

約数和(自身を除く): 176470560

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 72, 84, 96, 112, 126, 144, 168, 224, 252, 288, 336, 504, 672, 1008, 2016, 38903, 77806, 116709, 155612, 233418, 272321, 311224, 350127, 466836, 544642, 622448, 700254, 816963, 933672, 1089284, 1244896, 1400508, 1633926, 1867344, 2178568, 2450889, 2801016, 3267852, 3734688, 4357136, 4901778, 5602032, 6535704, 8714272, 9803556, 11204064, 13071408, 19607112, 26142816, 39214224, 78428448]

約数ペア:

[(1, 78428448), (2, 39214224), (3, 26142816), (4, 19607112), (6, 13071408), (7, 11204064), (8, 9803556), (9, 8714272), (12, 6535704), (14, 5602032), (16, 4901778), (18, 4357136), (21, 3734688), (24, 3267852), (28, 2801016), (32, 2450889), (36, 2178568), (42, 1867344), (48, 1633926), (56, 1400508), (63, 1244896), (72, 1089284), (84, 933672), (96, 816963), (112, 700254), (126, 622448), (144, 544642), (168, 466836), (224, 350127), (252, 311224), (288, 272321), (336, 233418), (504, 155612), (672, 116709), (1008, 77806), (2016, 38903)]