260690222

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{587}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 474163200

約数和(自身を除く): 213472978

約数列:

[1, 2, 13, 19, 26, 29, 31, 38, 58, 62, 247, 377, 403, 494, 551, 587, 589, 754, 806, 899, 1102, 1174, 1178, 1798, 7163, 7631, 7657, 11153, 11687, 14326, 15262, 15314, 17023, 17081, 18197, 22306, 23374, 34046, 34162, 36394, 144989, 221299, 222053, 236561, 289978, 323437, 345743, 442598, 444106, 473122, 527713, 646874, 691486, 1055426, 4204681, 4494659, 6860269, 8409362, 8989318, 10026547, 13720538, 20053094, 130345111, 260690222]

約数ペア:

[(1, 260690222), (2, 130345111), (13, 20053094), (19, 13720538), (26, 10026547), (29, 8989318), (31, 8409362), (38, 6860269), (58, 4494659), (62, 4204681), (247, 1055426), (377, 691486), (403, 646874), (494, 527713), (551, 473122), (587, 444106), (589, 442598), (754, 345743), (806, 323437), (899, 289978), (1102, 236561), (1174, 222053), (1178, 221299), (1798, 144989), (7163, 36394), (7631, 34162), (7657, 34046), (11153, 23374), (11687, 22306), (14326, 18197), (15262, 17081), (15314, 17023)]