221507648

素因数分解:

$2^6\times {\mathrm{31}}^1\times {\mathrm{97}}^1\times {\mathrm{1151}}^1$

素因数の和:1291

約数の個数: 56

約数和(自身を含む): 458809344

約数和(自身を除く): 237301696

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 97, 124, 194, 248, 388, 496, 776, 992, 1151, 1552, 1984, 2302, 3007, 3104, 4604, 6014, 6208, 9208, 12028, 18416, 24056, 35681, 36832, 48112, 71362, 73664, 96224, 111647, 142724, 192448, 223294, 285448, 446588, 570896, 893176, 1141792, 1786352, 2283584, 3461057, 3572704, 6922114, 7145408, 13844228, 27688456, 55376912, 110753824, 221507648]

約数ペア:

[(1, 221507648), (2, 110753824), (4, 55376912), (8, 27688456), (16, 13844228), (31, 7145408), (32, 6922114), (62, 3572704), (64, 3461057), (97, 2283584), (124, 1786352), (194, 1141792), (248, 893176), (388, 570896), (496, 446588), (776, 285448), (992, 223294), (1151, 192448), (1552, 142724), (1984, 111647), (2302, 96224), (3007, 73664), (3104, 71362), (4604, 48112), (6014, 36832), (6208, 35681), (9208, 24056), (12028, 18416)]