664287778

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{347}}^1\times {\mathrm{401}}^1$

素因数の和:799

約数の個数: 64

約数和(自身を含む): 1289281536

約数和(自身を除く): 624993758

約数列:

[1, 2, 7, 11, 14, 22, 31, 62, 77, 154, 217, 341, 347, 401, 434, 682, 694, 802, 2387, 2429, 2807, 3817, 4411, 4774, 4858, 5614, 7634, 8822, 10757, 12431, 21514, 24862, 26719, 30877, 53438, 61754, 75299, 87017, 118327, 136741, 139147, 150598, 174034, 236654, 273482, 278294, 828289, 957187, 974029, 1530617, 1656578, 1914374, 1948058, 3061234, 4313557, 8627114, 10714319, 21428638, 30194899, 47449127, 60389798, 94898254, 332143889, 664287778]

約数ペア:

[(1, 664287778), (2, 332143889), (7, 94898254), (11, 60389798), (14, 47449127), (22, 30194899), (31, 21428638), (62, 10714319), (77, 8627114), (154, 4313557), (217, 3061234), (341, 1948058), (347, 1914374), (401, 1656578), (434, 1530617), (682, 974029), (694, 957187), (802, 828289), (2387, 278294), (2429, 273482), (2807, 236654), (3817, 174034), (4411, 150598), (4774, 139147), (4858, 136741), (5614, 118327), (7634, 87017), (8822, 75299), (10757, 61754), (12431, 53438), (21514, 30877), (24862, 26719)]