200221208

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61493}}^1$

素因数の和:61547

約数の個数: 32

約数和(自身を含む): 420618960

約数和(自身を除く): 220397752

約数列:

[1, 2, 4, 8, 11, 22, 37, 44, 74, 88, 148, 296, 407, 814, 1628, 3256, 61493, 122986, 245972, 491944, 676423, 1352846, 2275241, 2705692, 4550482, 5411384, 9100964, 18201928, 25027651, 50055302, 100110604, 200221208]

約数ペア:

[(1, 200221208), (2, 100110604), (4, 50055302), (8, 25027651), (11, 18201928), (22, 9100964), (37, 5411384), (44, 4550482), (74, 2705692), (88, 2275241), (148, 1352846), (296, 676423), (407, 491944), (814, 245972), (1628, 122986), (3256, 61493)]