215212648

素因数分解:

$2^3\times 7^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{1229}}^1$

素因数の和:1354

約数の個数: 64

約数和(自身を含む): 478224000

約数和(自身を除く): 263011352

約数列:

[1, 2, 4, 7, 8, 14, 28, 53, 56, 59, 106, 118, 212, 236, 371, 413, 424, 472, 742, 826, 1229, 1484, 1652, 2458, 2968, 3127, 3304, 4916, 6254, 8603, 9832, 12508, 17206, 21889, 25016, 34412, 43778, 65137, 68824, 72511, 87556, 130274, 145022, 175112, 260548, 290044, 455959, 507577, 521096, 580088, 911918, 1015154, 1823836, 2030308, 3647672, 3843083, 4060616, 7686166, 15372332, 26901581, 30744664, 53803162, 107606324, 215212648]

約数ペア:

[(1, 215212648), (2, 107606324), (4, 53803162), (7, 30744664), (8, 26901581), (14, 15372332), (28, 7686166), (53, 4060616), (56, 3843083), (59, 3647672), (106, 2030308), (118, 1823836), (212, 1015154), (236, 911918), (371, 580088), (413, 521096), (424, 507577), (472, 455959), (742, 290044), (826, 260548), (1229, 175112), (1484, 145022), (1652, 130274), (2458, 87556), (2968, 72511), (3127, 68824), (3304, 65137), (4916, 43778), (6254, 34412), (8603, 25016), (9832, 21889), (12508, 17206)]