65489048

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{89}}^1\times {\mathrm{103}}^1$

素因数の和:264

約数の個数: 64

約数和(自身を含む): 134784000

約数和(自身を除く): 69294952

約数列:

[1, 2, 4, 8, 19, 38, 47, 76, 89, 94, 103, 152, 178, 188, 206, 356, 376, 412, 712, 824, 893, 1691, 1786, 1957, 3382, 3572, 3914, 4183, 4841, 6764, 7144, 7828, 8366, 9167, 9682, 13528, 15656, 16732, 18334, 19364, 33464, 36668, 38728, 73336, 79477, 91979, 158954, 174173, 183958, 317908, 348346, 367916, 430849, 635816, 696692, 735832, 861698, 1393384, 1723396, 3446792, 8186131, 16372262, 32744524, 65489048]

約数ペア:

[(1, 65489048), (2, 32744524), (4, 16372262), (8, 8186131), (19, 3446792), (38, 1723396), (47, 1393384), (76, 861698), (89, 735832), (94, 696692), (103, 635816), (152, 430849), (178, 367916), (188, 348346), (206, 317908), (356, 183958), (376, 174173), (412, 158954), (712, 91979), (824, 79477), (893, 73336), (1691, 38728), (1786, 36668), (1957, 33464), (3382, 19364), (3572, 18334), (3914, 16732), (4183, 15656), (4841, 13528), (6764, 9682), (7144, 9167), (7828, 8366)]