1638950870109

素因数分解:

$3^1\times 7^2\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{25513331}}^1$

素因数の和:25513390

約数の個数: 48

約数和(自身を含む): 2792179054080

約数和(自身を除く): 1153228183971

約数列:

[1, 3, 7, 19, 21, 23, 49, 57, 69, 133, 147, 161, 399, 437, 483, 931, 1127, 1311, 2793, 3059, 3381, 9177, 21413, 64239, 25513331, 76539993, 178593317, 484753289, 535779951, 586806613, 1250153219, 1454259867, 1760419839, 3393273023, 3750459657, 4107646291, 10179819069, 11149325647, 12322938873, 23752911161, 28753524037, 33447976941, 71258733483, 78045279529, 86260572111, 234135838587, 546316956703, 1638950870109]

約数ペア:

[(1, 1638950870109), (3, 546316956703), (7, 234135838587), (19, 86260572111), (21, 78045279529), (23, 71258733483), (49, 33447976941), (57, 28753524037), (69, 23752911161), (133, 12322938873), (147, 11149325647), (161, 10179819069), (399, 4107646291), (437, 3750459657), (483, 3393273023), (931, 1760419839), (1127, 1454259867), (1311, 1250153219), (2793, 586806613), (3059, 535779951), (3381, 484753289), (9177, 178593317), (21413, 76539993), (64239, 25513331)]