856551228

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{127691}}^1$

素因数の和:127754

約数の個数: 48

約数和(自身を含む): 2202431616

約数和(自身を除く): 1345880388

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 43, 52, 78, 86, 129, 156, 172, 258, 516, 559, 1118, 1677, 2236, 3354, 6708, 127691, 255382, 383073, 510764, 766146, 1532292, 1659983, 3319966, 4979949, 5490713, 6639932, 9959898, 10981426, 16472139, 19919796, 21962852, 32944278, 65888556, 71379269, 142758538, 214137807, 285517076, 428275614, 856551228]

約数ペア:

[(1, 856551228), (2, 428275614), (3, 285517076), (4, 214137807), (6, 142758538), (12, 71379269), (13, 65888556), (26, 32944278), (39, 21962852), (43, 19919796), (52, 16472139), (78, 10981426), (86, 9959898), (129, 6639932), (156, 5490713), (172, 4979949), (258, 3319966), (516, 1659983), (559, 1532292), (1118, 766146), (1677, 510764), (2236, 383073), (3354, 255382), (6708, 127691)]