221572156

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{229}}^1\times {\mathrm{809}}^1$

素因数の和:1078

約数の個数: 48

約数和(自身を含む): 438177600

約数和(自身を除く): 216605444

約数列:

[1, 2, 4, 13, 23, 26, 46, 52, 92, 229, 299, 458, 598, 809, 916, 1196, 1618, 2977, 3236, 5267, 5954, 10517, 10534, 11908, 18607, 21034, 21068, 37214, 42068, 68471, 74428, 136942, 185261, 241891, 273884, 370522, 483782, 741044, 967564, 2408393, 4261003, 4816786, 8522006, 9633572, 17044012, 55393039, 110786078, 221572156]

約数ペア:

[(1, 221572156), (2, 110786078), (4, 55393039), (13, 17044012), (23, 9633572), (26, 8522006), (46, 4816786), (52, 4261003), (92, 2408393), (229, 967564), (299, 741044), (458, 483782), (598, 370522), (809, 273884), (916, 241891), (1196, 185261), (1618, 136942), (2977, 74428), (3236, 68471), (5267, 42068), (5954, 37214), (10517, 21068), (10534, 21034), (11908, 18607)]