221854352

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{317}}^1$

素因数の和:456

約数の個数: 80

約数和(自身を含む): 476969472

約数和(自身を除く): 255115120

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 83, 124, 136, 166, 248, 272, 317, 332, 496, 527, 634, 664, 1054, 1268, 1328, 1411, 2108, 2536, 2573, 2822, 4216, 5072, 5146, 5389, 5644, 8432, 9827, 10292, 10778, 11288, 19654, 20584, 21556, 22576, 26311, 39308, 41168, 43112, 43741, 52622, 78616, 86224, 87482, 105244, 157232, 167059, 174964, 210488, 334118, 349928, 420976, 447287, 668236, 699856, 815641, 894574, 1336472, 1631282, 1789148, 2672944, 3262564, 3578296, 6525128, 7156592, 13050256, 13865897, 27731794, 55463588, 110927176, 221854352]

約数ペア:

[(1, 221854352), (2, 110927176), (4, 55463588), (8, 27731794), (16, 13865897), (17, 13050256), (31, 7156592), (34, 6525128), (62, 3578296), (68, 3262564), (83, 2672944), (124, 1789148), (136, 1631282), (166, 1336472), (248, 894574), (272, 815641), (317, 699856), (332, 668236), (496, 447287), (527, 420976), (634, 349928), (664, 334118), (1054, 210488), (1268, 174964), (1328, 167059), (1411, 157232), (2108, 105244), (2536, 87482), (2573, 86224), (2822, 78616), (4216, 52622), (5072, 43741), (5146, 43112), (5389, 41168), (5644, 39308), (8432, 26311), (9827, 22576), (10292, 21556), (10778, 20584), (11288, 19654)]