7874490

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{331}}^1$

素因数の和:415

約数の個数: 64

約数和(自身を含む): 20748672

約数和(自身を除く): 12874182

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 61, 65, 78, 122, 130, 183, 195, 305, 331, 366, 390, 610, 662, 793, 915, 993, 1586, 1655, 1830, 1986, 2379, 3310, 3965, 4303, 4758, 4965, 7930, 8606, 9930, 11895, 12909, 20191, 21515, 23790, 25818, 40382, 43030, 60573, 64545, 100955, 121146, 129090, 201910, 262483, 302865, 524966, 605730, 787449, 1312415, 1574898, 2624830, 3937245, 7874490]

約数ペア:

[(1, 7874490), (2, 3937245), (3, 2624830), (5, 1574898), (6, 1312415), (10, 787449), (13, 605730), (15, 524966), (26, 302865), (30, 262483), (39, 201910), (61, 129090), (65, 121146), (78, 100955), (122, 64545), (130, 60573), (183, 43030), (195, 40382), (305, 25818), (331, 23790), (366, 21515), (390, 20191), (610, 12909), (662, 11895), (793, 9930), (915, 8606), (993, 7930), (1586, 4965), (1655, 4758), (1830, 4303), (1986, 3965), (2379, 3310)]