128480254

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{479}}^1$

素因数の和:542

約数の個数: 64

約数和(自身を含む): 248832000

約数和(自身を除く): 120351746

約数列:

[1, 2, 7, 14, 17, 23, 34, 46, 49, 98, 119, 161, 238, 322, 343, 391, 479, 686, 782, 833, 958, 1127, 1666, 2254, 2737, 3353, 5474, 5831, 6706, 7889, 8143, 11017, 11662, 15778, 16286, 19159, 22034, 23471, 38318, 46942, 57001, 77119, 114002, 134113, 154238, 164297, 187289, 268226, 328594, 374578, 399007, 539833, 798014, 1079666, 1311023, 2622046, 2793049, 3778831, 5586098, 7557662, 9177161, 18354322, 64240127, 128480254]

約数ペア:

[(1, 128480254), (2, 64240127), (7, 18354322), (14, 9177161), (17, 7557662), (23, 5586098), (34, 3778831), (46, 2793049), (49, 2622046), (98, 1311023), (119, 1079666), (161, 798014), (238, 539833), (322, 399007), (343, 374578), (391, 328594), (479, 268226), (686, 187289), (782, 164297), (833, 154238), (958, 134113), (1127, 114002), (1666, 77119), (2254, 57001), (2737, 46942), (3353, 38318), (5474, 23471), (5831, 22034), (6706, 19159), (7889, 16286), (8143, 15778), (11017, 11662)]