251294456

素因数分解:

$2^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{103}}^1\times {\mathrm{2293}}^1$

素因数の和:2428

約数の個数: 64

約数和(自身を含む): 572582400

約数和(自身を除く): 321287944

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 56, 76, 103, 133, 152, 206, 266, 412, 532, 721, 824, 1064, 1442, 1957, 2293, 2884, 3914, 4586, 5768, 7828, 9172, 13699, 15656, 16051, 18344, 27398, 32102, 43567, 54796, 64204, 87134, 109592, 128408, 174268, 236179, 304969, 348536, 472358, 609938, 944716, 1219876, 1653253, 1889432, 2439752, 3306506, 4487401, 6613012, 8974802, 13226024, 17949604, 31411807, 35899208, 62823614, 125647228, 251294456]

約数ペア:

[(1, 251294456), (2, 125647228), (4, 62823614), (7, 35899208), (8, 31411807), (14, 17949604), (19, 13226024), (28, 8974802), (38, 6613012), (56, 4487401), (76, 3306506), (103, 2439752), (133, 1889432), (152, 1653253), (206, 1219876), (266, 944716), (412, 609938), (532, 472358), (721, 348536), (824, 304969), (1064, 236179), (1442, 174268), (1957, 128408), (2293, 109592), (2884, 87134), (3914, 64204), (4586, 54796), (5768, 43567), (7828, 32102), (9172, 27398), (13699, 18344), (15656, 16051)]