138392618

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1291}}^1$

素因数の和:1363

約数の個数: 64

約数和(自身を含む): 277831680

約数和(自身を除く): 139439062

約数列:

[1, 2, 7, 13, 14, 19, 26, 31, 38, 62, 91, 133, 182, 217, 247, 266, 403, 434, 494, 589, 806, 1178, 1291, 1729, 2582, 2821, 3458, 4123, 5642, 7657, 8246, 9037, 15314, 16783, 18074, 24529, 33566, 40021, 49058, 53599, 80042, 107198, 117481, 171703, 234962, 280147, 318877, 343406, 520273, 560294, 637754, 760399, 1040546, 1520798, 2232139, 3641911, 4464278, 5322793, 7283822, 9885187, 10645586, 19770374, 69196309, 138392618]

約数ペア:

[(1, 138392618), (2, 69196309), (7, 19770374), (13, 10645586), (14, 9885187), (19, 7283822), (26, 5322793), (31, 4464278), (38, 3641911), (62, 2232139), (91, 1520798), (133, 1040546), (182, 760399), (217, 637754), (247, 560294), (266, 520273), (403, 343406), (434, 318877), (494, 280147), (589, 234962), (806, 171703), (1178, 117481), (1291, 107198), (1729, 80042), (2582, 53599), (2821, 49058), (3458, 40021), (4123, 33566), (5642, 24529), (7657, 18074), (8246, 16783), (9037, 15314)]