31816540

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{7331}}^1$

素因数の和:7378

約数の個数: 48

約数和(自身を含む): 78833664

約数和(自身を除く): 47017124

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 31, 35, 62, 70, 124, 140, 155, 217, 310, 434, 620, 868, 1085, 2170, 4340, 7331, 14662, 29324, 36655, 51317, 73310, 102634, 146620, 205268, 227261, 256585, 454522, 513170, 909044, 1026340, 1136305, 1590827, 2272610, 3181654, 4545220, 6363308, 7954135, 15908270, 31816540]

約数ペア:

[(1, 31816540), (2, 15908270), (4, 7954135), (5, 6363308), (7, 4545220), (10, 3181654), (14, 2272610), (20, 1590827), (28, 1136305), (31, 1026340), (35, 909044), (62, 513170), (70, 454522), (124, 256585), (140, 227261), (155, 205268), (217, 146620), (310, 102634), (434, 73310), (620, 51317), (868, 36655), (1085, 29324), (2170, 14662), (4340, 7331)]