516398428

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{61}}^1\times {\mathrm{1789}}^1$

素因数の和:1887

約数の個数: 72

約数和(自身を含む): 1137323040

約数和(自身を除く): 620924612

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 61, 91, 122, 169, 182, 244, 338, 364, 427, 676, 793, 854, 1183, 1586, 1708, 1789, 2366, 3172, 3578, 4732, 5551, 7156, 10309, 11102, 12523, 20618, 22204, 23257, 25046, 41236, 46514, 50092, 72163, 93028, 109129, 144326, 162799, 218258, 288652, 302341, 325598, 436516, 604682, 651196, 763903, 1209364, 1418677, 1527806, 2116387, 2837354, 3055612, 4232774, 5674708, 8465548, 9930739, 18442801, 19861478, 36885602, 39722956, 73771204, 129099607, 258199214, 516398428]

約数ペア:

[(1, 516398428), (2, 258199214), (4, 129099607), (7, 73771204), (13, 39722956), (14, 36885602), (26, 19861478), (28, 18442801), (52, 9930739), (61, 8465548), (91, 5674708), (122, 4232774), (169, 3055612), (182, 2837354), (244, 2116387), (338, 1527806), (364, 1418677), (427, 1209364), (676, 763903), (793, 651196), (854, 604682), (1183, 436516), (1586, 325598), (1708, 302341), (1789, 288652), (2366, 218258), (3172, 162799), (3578, 144326), (4732, 109129), (5551, 93028), (7156, 72163), (10309, 50092), (11102, 46514), (12523, 41236), (20618, 25046), (22204, 23257)]