219022856

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{139}}^2$

素因数の和:406

約数の個数: 48

約数和(自身を含む): 449549100

約数和(自身を除く): 230526244

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 109, 139, 218, 278, 436, 556, 872, 1112, 1417, 1807, 2834, 3614, 5668, 7228, 11336, 14456, 15151, 19321, 30302, 38642, 60604, 77284, 121208, 154568, 196963, 251173, 393926, 502346, 787852, 1004692, 1575704, 2009384, 2105989, 4211978, 8423956, 16847912, 27377857, 54755714, 109511428, 219022856]

約数ペア:

[(1, 219022856), (2, 109511428), (4, 54755714), (8, 27377857), (13, 16847912), (26, 8423956), (52, 4211978), (104, 2105989), (109, 2009384), (139, 1575704), (218, 1004692), (278, 787852), (436, 502346), (556, 393926), (872, 251173), (1112, 196963), (1417, 154568), (1807, 121208), (2834, 77284), (3614, 60604), (5668, 38642), (7228, 30302), (11336, 19321), (14456, 15151)]