489740418

素因数分解:

$2^1\times 3^4\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{863}}^1$

素因数の和:1021

約数の個数: 80

約数和(自身を含む): 1144129536

約数和(自身を除く): 654389118

約数列:

[1, 2, 3, 6, 9, 18, 27, 31, 54, 62, 81, 93, 113, 162, 186, 226, 279, 339, 558, 678, 837, 863, 1017, 1674, 1726, 2034, 2511, 2589, 3051, 3503, 5022, 5178, 6102, 7006, 7767, 9153, 10509, 15534, 18306, 21018, 23301, 26753, 31527, 46602, 53506, 63054, 69903, 80259, 94581, 97519, 139806, 160518, 189162, 195038, 240777, 283743, 292557, 481554, 567486, 585114, 722331, 877671, 1444662, 1755342, 2166993, 2633013, 3023089, 4333986, 5266026, 6046178, 7899039, 9069267, 15798078, 18138534, 27207801, 54415602, 81623403, 163246806, 244870209, 489740418]

約数ペア:

[(1, 489740418), (2, 244870209), (3, 163246806), (6, 81623403), (9, 54415602), (18, 27207801), (27, 18138534), (31, 15798078), (54, 9069267), (62, 7899039), (81, 6046178), (93, 5266026), (113, 4333986), (162, 3023089), (186, 2633013), (226, 2166993), (279, 1755342), (339, 1444662), (558, 877671), (678, 722331), (837, 585114), (863, 567486), (1017, 481554), (1674, 292557), (1726, 283743), (2034, 240777), (2511, 195038), (2589, 189162), (3051, 160518), (3503, 139806), (5022, 97519), (5178, 94581), (6102, 80259), (7006, 69903), (7767, 63054), (9153, 53506), (10509, 46602), (15534, 31527), (18306, 26753), (21018, 23301)]