28723370

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{317}}^1$

素因数の和:395

約数の個数: 64

約数和(自身を含む): 60582816

約数和(自身を除く): 31859446

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 41, 65, 82, 85, 130, 170, 205, 221, 317, 410, 442, 533, 634, 697, 1066, 1105, 1394, 1585, 2210, 2665, 3170, 3485, 4121, 5330, 5389, 6970, 8242, 9061, 10778, 12997, 18122, 20605, 25994, 26945, 41210, 45305, 53890, 64985, 70057, 90610, 129970, 140114, 168961, 220949, 337922, 350285, 441898, 700570, 844805, 1104745, 1689610, 2209490, 2872337, 5744674, 14361685, 28723370]

約数ペア:

[(1, 28723370), (2, 14361685), (5, 5744674), (10, 2872337), (13, 2209490), (17, 1689610), (26, 1104745), (34, 844805), (41, 700570), (65, 441898), (82, 350285), (85, 337922), (130, 220949), (170, 168961), (205, 140114), (221, 129970), (317, 90610), (410, 70057), (442, 64985), (533, 53890), (634, 45305), (697, 41210), (1066, 26945), (1105, 25994), (1394, 20605), (1585, 18122), (2210, 12997), (2665, 10778), (3170, 9061), (3485, 8242), (4121, 6970), (5330, 5389)]