172426072

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{239}}^1\times {\mathrm{991}}^1$

素因数の和:1256

約数の個数: 64

約数和(自身を含む): 399974400

約数和(自身を除く): 227548328

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 239, 364, 478, 728, 956, 991, 1673, 1912, 1982, 3107, 3346, 3964, 6214, 6692, 6937, 7928, 12428, 12883, 13384, 13874, 21749, 24856, 25766, 27748, 43498, 51532, 55496, 86996, 90181, 103064, 173992, 180362, 236849, 360724, 473698, 721448, 947396, 1657943, 1894792, 3079037, 3315886, 6158074, 6631772, 12316148, 13263544, 21553259, 24632296, 43106518, 86213036, 172426072]

約数ペア:

[(1, 172426072), (2, 86213036), (4, 43106518), (7, 24632296), (8, 21553259), (13, 13263544), (14, 12316148), (26, 6631772), (28, 6158074), (52, 3315886), (56, 3079037), (91, 1894792), (104, 1657943), (182, 947396), (239, 721448), (364, 473698), (478, 360724), (728, 236849), (956, 180362), (991, 173992), (1673, 103064), (1912, 90181), (1982, 86996), (3107, 55496), (3346, 51532), (3964, 43498), (6214, 27748), (6692, 25766), (6937, 24856), (7928, 21749), (12428, 13874), (12883, 13384)]