257565924

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{8447}}^1$

素因数の和:8486

約数の個数: 108

約数和(自身を含む): 817969152

約数和(自身を除く): 560403228

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 121, 126, 132, 154, 198, 231, 242, 252, 308, 363, 396, 462, 484, 693, 726, 847, 924, 1089, 1386, 1452, 1694, 2178, 2541, 2772, 3388, 4356, 5082, 7623, 8447, 10164, 15246, 16894, 25341, 30492, 33788, 50682, 59129, 76023, 92917, 101364, 118258, 152046, 177387, 185834, 236516, 278751, 304092, 354774, 371668, 532161, 557502, 650419, 709548, 836253, 1022087, 1064322, 1115004, 1300838, 1672506, 1951257, 2044174, 2128644, 2601676, 3066261, 3345012, 3902514, 4088348, 5853771, 6132522, 7154609, 7805028, 9198783, 11707542, 12265044, 14309218, 18397566, 21463827, 23415084, 28618436, 36795132, 42927654, 64391481, 85855308, 128782962, 257565924]

約数ペア:

[(1, 257565924), (2, 128782962), (3, 85855308), (4, 64391481), (6, 42927654), (7, 36795132), (9, 28618436), (11, 23415084), (12, 21463827), (14, 18397566), (18, 14309218), (21, 12265044), (22, 11707542), (28, 9198783), (33, 7805028), (36, 7154609), (42, 6132522), (44, 5853771), (63, 4088348), (66, 3902514), (77, 3345012), (84, 3066261), (99, 2601676), (121, 2128644), (126, 2044174), (132, 1951257), (154, 1672506), (198, 1300838), (231, 1115004), (242, 1064322), (252, 1022087), (308, 836253), (363, 709548), (396, 650419), (462, 557502), (484, 532161), (693, 371668), (726, 354774), (847, 304092), (924, 278751), (1089, 236516), (1386, 185834), (1452, 177387), (1694, 152046), (2178, 118258), (2541, 101364), (2772, 92917), (3388, 76023), (4356, 59129), (5082, 50682), (7623, 33788), (8447, 30492), (10164, 25341), (15246, 16894)]