212373904

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{13421}}^1$

素因数の和:13495

約数の個数: 40

約数和(自身を含む): 439382592

約数和(自身を除く): 227008688

約数列:

[1, 2, 4, 8, 16, 23, 43, 46, 86, 92, 172, 184, 344, 368, 688, 989, 1978, 3956, 7912, 13421, 15824, 26842, 53684, 107368, 214736, 308683, 577103, 617366, 1154206, 1234732, 2308412, 2469464, 4616824, 4938928, 9233648, 13273369, 26546738, 53093476, 106186952, 212373904]

約数ペア:

[(1, 212373904), (2, 106186952), (4, 53093476), (8, 26546738), (16, 13273369), (23, 9233648), (43, 4938928), (46, 4616824), (86, 2469464), (92, 2308412), (172, 1234732), (184, 1154206), (344, 617366), (368, 577103), (688, 308683), (989, 214736), (1978, 107368), (3956, 53684), (7912, 26842), (13421, 15824)]