28975384

素因数分解:

$2^3\times {\mathrm{71}}^1\times {\mathrm{139}}^1\times {\mathrm{367}}^1$

素因数の和:583

約数の個数: 32

約数和(自身を含む): 55641600

約数和(自身を除く): 26666216

約数列:

[1, 2, 4, 8, 71, 139, 142, 278, 284, 367, 556, 568, 734, 1112, 1468, 2936, 9869, 19738, 26057, 39476, 51013, 52114, 78952, 102026, 104228, 204052, 208456, 408104, 3621923, 7243846, 14487692, 28975384]

約数ペア:

[(1, 28975384), (2, 14487692), (4, 7243846), (8, 3621923), (71, 408104), (139, 208456), (142, 204052), (278, 104228), (284, 102026), (367, 78952), (556, 52114), (568, 51013), (734, 39476), (1112, 26057), (1468, 19738), (2936, 9869)]