520036671

素因数分解:

$3^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1\times {\mathrm{521}}^1$

素因数の和:720

約数の個数: 64

約数和(自身を含む): 902016000

約数和(自身を除く): 381979329

約数列:

[1, 3, 7, 11, 21, 29, 33, 77, 87, 149, 203, 231, 319, 447, 521, 609, 957, 1043, 1563, 1639, 2233, 3129, 3647, 4321, 4917, 5731, 6699, 10941, 11473, 12963, 15109, 17193, 30247, 34419, 40117, 45327, 47531, 77629, 90741, 105763, 120351, 142593, 166199, 232887, 317289, 332717, 498597, 543403, 853919, 998151, 1163393, 1630209, 2251241, 2561757, 3490179, 5977433, 6753723, 15758687, 17932299, 24763651, 47276061, 74290953, 173345557, 520036671]

約数ペア:

[(1, 520036671), (3, 173345557), (7, 74290953), (11, 47276061), (21, 24763651), (29, 17932299), (33, 15758687), (77, 6753723), (87, 5977433), (149, 3490179), (203, 2561757), (231, 2251241), (319, 1630209), (447, 1163393), (521, 998151), (609, 853919), (957, 543403), (1043, 498597), (1563, 332717), (1639, 317289), (2233, 232887), (3129, 166199), (3647, 142593), (4321, 120351), (4917, 105763), (5731, 90741), (6699, 77629), (10941, 47531), (11473, 45327), (12963, 40117), (15109, 34419), (17193, 30247)]