259946656

素因数分解:

$2^5\times {\mathrm{31}}^2\times {\mathrm{79}}^1\times {\mathrm{107}}^1$

素因数の和:258

約数の個数: 72

約数和(自身を含む): 540509760

約数和(自身を除く): 280563104

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 79, 107, 124, 158, 214, 248, 316, 428, 496, 632, 856, 961, 992, 1264, 1712, 1922, 2449, 2528, 3317, 3424, 3844, 4898, 6634, 7688, 8453, 9796, 13268, 15376, 16906, 19592, 26536, 30752, 33812, 39184, 53072, 67624, 75919, 78368, 102827, 106144, 135248, 151838, 205654, 262043, 270496, 303676, 411308, 524086, 607352, 822616, 1048172, 1214704, 1645232, 2096344, 2429408, 3290464, 4192688, 8123333, 8385376, 16246666, 32493332, 64986664, 129973328, 259946656]

約数ペア:

[(1, 259946656), (2, 129973328), (4, 64986664), (8, 32493332), (16, 16246666), (31, 8385376), (32, 8123333), (62, 4192688), (79, 3290464), (107, 2429408), (124, 2096344), (158, 1645232), (214, 1214704), (248, 1048172), (316, 822616), (428, 607352), (496, 524086), (632, 411308), (856, 303676), (961, 270496), (992, 262043), (1264, 205654), (1712, 151838), (1922, 135248), (2449, 106144), (2528, 102827), (3317, 78368), (3424, 75919), (3844, 67624), (4898, 53072), (6634, 39184), (7688, 33812), (8453, 30752), (9796, 26536), (13268, 19592), (15376, 16906)]