2019909775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{139}}^1\times {\mathrm{733}}^1$

素因数の和:956

約数の個数: 48

約数和(自身を含む): 2765066080

約数和(自身を除く): 745156305

約数列:

[1, 5, 13, 25, 61, 65, 139, 305, 325, 695, 733, 793, 1525, 1807, 3475, 3665, 3965, 8479, 9035, 9529, 18325, 19825, 42395, 44713, 45175, 47645, 101887, 110227, 211975, 223565, 238225, 509435, 551135, 581269, 1117825, 1324531, 2547175, 2755675, 2906345, 6215107, 6622655, 14531725, 31075535, 33113275, 80796391, 155377675, 403981955, 2019909775]

約数ペア:

[(1, 2019909775), (5, 403981955), (13, 155377675), (25, 80796391), (61, 33113275), (65, 31075535), (139, 14531725), (305, 6622655), (325, 6215107), (695, 2906345), (733, 2755675), (793, 2547175), (1525, 1324531), (1807, 1117825), (3475, 581269), (3665, 551135), (3965, 509435), (8479, 238225), (9035, 223565), (9529, 211975), (18325, 110227), (19825, 101887), (42395, 47645), (44713, 45175)]