25715404

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{67}}^1$

素因数の和:167

約数の個数: 72

約数和(自身を含む): 54951344

約数和(自身を除く): 29235940

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 61, 67, 121, 122, 134, 143, 242, 244, 268, 286, 484, 572, 671, 737, 793, 871, 1342, 1474, 1573, 1586, 1742, 2684, 2948, 3146, 3172, 3484, 4087, 6292, 7381, 8107, 8174, 8723, 9581, 14762, 16214, 16348, 17446, 19162, 29524, 32428, 34892, 38324, 44957, 53131, 89914, 95953, 105391, 106262, 179828, 191906, 210782, 212524, 383812, 421564, 494527, 584441, 989054, 1168882, 1978108, 2337764, 6428851, 12857702, 25715404]

約数ペア:

[(1, 25715404), (2, 12857702), (4, 6428851), (11, 2337764), (13, 1978108), (22, 1168882), (26, 989054), (44, 584441), (52, 494527), (61, 421564), (67, 383812), (121, 212524), (122, 210782), (134, 191906), (143, 179828), (242, 106262), (244, 105391), (268, 95953), (286, 89914), (484, 53131), (572, 44957), (671, 38324), (737, 34892), (793, 32428), (871, 29524), (1342, 19162), (1474, 17446), (1573, 16348), (1586, 16214), (1742, 14762), (2684, 9581), (2948, 8723), (3146, 8174), (3172, 8107), (3484, 7381), (4087, 6292)]