251624164

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{191}}^1\times {\mathrm{379}}^1$

素因数の和:664

約数の個数: 48

約数和(自身を含む): 490291200

約数和(自身を除く): 238667036

約数列:

[1, 2, 4, 11, 22, 44, 79, 158, 191, 316, 379, 382, 758, 764, 869, 1516, 1738, 2101, 3476, 4169, 4202, 8338, 8404, 15089, 16676, 29941, 30178, 59882, 60356, 72389, 119764, 144778, 165979, 289556, 329351, 331958, 658702, 663916, 796279, 1317404, 1592558, 3185116, 5718731, 11437462, 22874924, 62906041, 125812082, 251624164]

約数ペア:

[(1, 251624164), (2, 125812082), (4, 62906041), (11, 22874924), (22, 11437462), (44, 5718731), (79, 3185116), (158, 1592558), (191, 1317404), (316, 796279), (379, 663916), (382, 658702), (758, 331958), (764, 329351), (869, 289556), (1516, 165979), (1738, 144778), (2101, 119764), (3476, 72389), (4169, 60356), (4202, 59882), (8338, 30178), (8404, 29941), (15089, 16676)]