828451130

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{311}}^1\times {\mathrm{661}}^1$

素因数の和:1023

約数の個数: 64

約数和(自身を含む): 1665570816

約数和(自身を除く): 837119686

約数列:

[1, 2, 5, 10, 13, 26, 31, 62, 65, 130, 155, 310, 311, 403, 622, 661, 806, 1322, 1555, 2015, 3110, 3305, 4030, 4043, 6610, 8086, 8593, 9641, 17186, 19282, 20215, 20491, 40430, 40982, 42965, 48205, 85930, 96410, 102455, 125333, 204910, 205571, 250666, 266383, 411142, 532766, 626665, 1027855, 1253330, 1331915, 2055710, 2663830, 2672423, 5344846, 6372701, 12745402, 13362115, 26724230, 31863505, 63727010, 82845113, 165690226, 414225565, 828451130]

約数ペア:

[(1, 828451130), (2, 414225565), (5, 165690226), (10, 82845113), (13, 63727010), (26, 31863505), (31, 26724230), (62, 13362115), (65, 12745402), (130, 6372701), (155, 5344846), (310, 2672423), (311, 2663830), (403, 2055710), (622, 1331915), (661, 1253330), (806, 1027855), (1322, 626665), (1555, 532766), (2015, 411142), (3110, 266383), (3305, 250666), (4030, 205571), (4043, 204910), (6610, 125333), (8086, 102455), (8593, 96410), (9641, 85930), (17186, 48205), (19282, 42965), (20215, 40982), (20491, 40430)]