13207705

素因数分解:

$5^1\times 7^2\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1$

素因数の和:134

約数の個数: 48

約数和(自身を含む): 19961856

約数和(自身を除く): 6754151

約数列:

[1, 5, 7, 31, 35, 37, 47, 49, 155, 185, 217, 235, 245, 259, 329, 1085, 1147, 1295, 1457, 1519, 1645, 1739, 1813, 2303, 5735, 7285, 7595, 8029, 8695, 9065, 10199, 11515, 12173, 40145, 50995, 53909, 56203, 60865, 71393, 85211, 269545, 281015, 356965, 377363, 426055, 1886815, 2641541, 13207705]

約数ペア:

[(1, 13207705), (5, 2641541), (7, 1886815), (31, 426055), (35, 377363), (37, 356965), (47, 281015), (49, 269545), (155, 85211), (185, 71393), (217, 60865), (235, 56203), (245, 53909), (259, 50995), (329, 40145), (1085, 12173), (1147, 11515), (1295, 10199), (1457, 9065), (1519, 8695), (1645, 8029), (1739, 7595), (1813, 7285), (2303, 5735)]