217468836

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{3343}}^1$

素因数の和:3505

約数の個数: 72

約数和(自身を含む): 596435840

約数和(自身を除く): 378967004

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 139, 156, 234, 278, 417, 468, 556, 834, 1251, 1668, 1807, 2502, 3343, 3614, 5004, 5421, 6686, 7228, 10029, 10842, 13372, 16263, 20058, 21684, 30087, 32526, 40116, 43459, 60174, 65052, 86918, 120348, 130377, 173836, 260754, 391131, 464677, 521508, 782262, 929354, 1394031, 1564524, 1858708, 2788062, 4182093, 5576124, 6040801, 8364186, 12081602, 16728372, 18122403, 24163204, 36244806, 54367209, 72489612, 108734418, 217468836]

約数ペア:

[(1, 217468836), (2, 108734418), (3, 72489612), (4, 54367209), (6, 36244806), (9, 24163204), (12, 18122403), (13, 16728372), (18, 12081602), (26, 8364186), (36, 6040801), (39, 5576124), (52, 4182093), (78, 2788062), (117, 1858708), (139, 1564524), (156, 1394031), (234, 929354), (278, 782262), (417, 521508), (468, 464677), (556, 391131), (834, 260754), (1251, 173836), (1668, 130377), (1807, 120348), (2502, 86918), (3343, 65052), (3614, 60174), (5004, 43459), (5421, 40116), (6686, 32526), (7228, 30087), (10029, 21684), (10842, 20058), (13372, 16263)]