221265044

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{73}}^1\times {\mathrm{757}}^1$

素因数の和:865

約数の個数: 96

約数和(自身を含む): 527713536

約数和(自身を除く): 306448492

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 73, 77, 91, 143, 146, 154, 182, 286, 292, 308, 364, 511, 572, 757, 803, 949, 1001, 1022, 1514, 1606, 1898, 2002, 2044, 3028, 3212, 3796, 4004, 5299, 5621, 6643, 8327, 9841, 10439, 10598, 11242, 13286, 16654, 19682, 20878, 21196, 22484, 26572, 33308, 39364, 41756, 55261, 58289, 68887, 73073, 108251, 110522, 116578, 137774, 146146, 216502, 221044, 233156, 275548, 292292, 386827, 433004, 607871, 718393, 757757, 773654, 1215742, 1436786, 1515514, 1547308, 2431484, 2873572, 3031028, 4255097, 5028751, 7902323, 8510194, 10057502, 15804646, 17020388, 20115004, 31609292, 55316261, 110632522, 221265044]

約数ペア:

[(1, 221265044), (2, 110632522), (4, 55316261), (7, 31609292), (11, 20115004), (13, 17020388), (14, 15804646), (22, 10057502), (26, 8510194), (28, 7902323), (44, 5028751), (52, 4255097), (73, 3031028), (77, 2873572), (91, 2431484), (143, 1547308), (146, 1515514), (154, 1436786), (182, 1215742), (286, 773654), (292, 757757), (308, 718393), (364, 607871), (511, 433004), (572, 386827), (757, 292292), (803, 275548), (949, 233156), (1001, 221044), (1022, 216502), (1514, 146146), (1606, 137774), (1898, 116578), (2002, 110522), (2044, 108251), (3028, 73073), (3212, 68887), (3796, 58289), (4004, 55261), (5299, 41756), (5621, 39364), (6643, 33308), (8327, 26572), (9841, 22484), (10439, 21196), (10598, 20878), (11242, 19682), (13286, 16654)]