2108290028

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{41}}^2\times {\mathrm{89}}^1\times {\mathrm{271}}^1$

素因数の和:459

約数の個数: 72

約数和(自身を含む): 4133545920

約数和(自身を除く): 2025255892

約数列:

[1, 2, 4, 13, 26, 41, 52, 82, 89, 164, 178, 271, 356, 533, 542, 1066, 1084, 1157, 1681, 2132, 2314, 3362, 3523, 3649, 4628, 6724, 7046, 7298, 11111, 14092, 14596, 21853, 22222, 24119, 43706, 44444, 47437, 48238, 87412, 94874, 96476, 144443, 149609, 189748, 288886, 299218, 313547, 455551, 577772, 598436, 627094, 911102, 988879, 1254188, 1822204, 1944917, 1977758, 3889834, 3955516, 5922163, 7779668, 11844326, 12855427, 23688652, 25710854, 40544039, 51421708, 81088078, 162176156, 527072507, 1054145014, 2108290028]

約数ペア:

[(1, 2108290028), (2, 1054145014), (4, 527072507), (13, 162176156), (26, 81088078), (41, 51421708), (52, 40544039), (82, 25710854), (89, 23688652), (164, 12855427), (178, 11844326), (271, 7779668), (356, 5922163), (533, 3955516), (542, 3889834), (1066, 1977758), (1084, 1944917), (1157, 1822204), (1681, 1254188), (2132, 988879), (2314, 911102), (3362, 627094), (3523, 598436), (3649, 577772), (4628, 455551), (6724, 313547), (7046, 299218), (7298, 288886), (11111, 189748), (14092, 149609), (14596, 144443), (21853, 96476), (22222, 94874), (24119, 87412), (43706, 48238), (44444, 47437)]