213988970

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{1831}}^1$

素因数の和:1911

約数の個数: 64

約数和(自身を含む): 443197440

約数和(自身を除く): 229208470

約数列:

[1, 2, 5, 10, 13, 26, 29, 31, 58, 62, 65, 130, 145, 155, 290, 310, 377, 403, 754, 806, 899, 1798, 1831, 1885, 2015, 3662, 3770, 4030, 4495, 8990, 9155, 11687, 18310, 23374, 23803, 47606, 53099, 56761, 58435, 106198, 113522, 116870, 119015, 238030, 265495, 283805, 530990, 567610, 690287, 737893, 1380574, 1475786, 1646069, 3292138, 3451435, 3689465, 6902870, 7378930, 8230345, 16460690, 21398897, 42797794, 106994485, 213988970]

約数ペア:

[(1, 213988970), (2, 106994485), (5, 42797794), (10, 21398897), (13, 16460690), (26, 8230345), (29, 7378930), (31, 6902870), (58, 3689465), (62, 3451435), (65, 3292138), (130, 1646069), (145, 1475786), (155, 1380574), (290, 737893), (310, 690287), (377, 567610), (403, 530990), (754, 283805), (806, 265495), (899, 238030), (1798, 119015), (1831, 116870), (1885, 113522), (2015, 106198), (3662, 58435), (3770, 56761), (4030, 53099), (4495, 47606), (8990, 23803), (9155, 23374), (11687, 18310)]