661507308

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{238639}}^1$

素因数の和:238667

約数の個数: 72

約数和(自身を含む): 2084759040

約数和(自身を除く): 1423251732

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, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 238639, 477278, 715917, 954556, 1431834, 1670473, 2147751, 2625029, 2863668, 3340946, 4295502, 5011419, 5250058, 6681892, 7875087, 8591004, 10022838, 10500116, 15034257, 15750174, 18375203, 20045676, 23625261, 30068514, 31500348, 36750406, 47250522, 55125609, 60137028, 73500812, 94501044, 110251218, 165376827, 220502436, 330753654, 661507308]

約数ペア:

[(1, 661507308), (2, 330753654), (3, 220502436), (4, 165376827), (6, 110251218), (7, 94501044), (9, 73500812), (11, 60137028), (12, 55125609), (14, 47250522), (18, 36750406), (21, 31500348), (22, 30068514), (28, 23625261), (33, 20045676), (36, 18375203), (42, 15750174), (44, 15034257), (63, 10500116), (66, 10022838), (77, 8591004), (84, 7875087), (99, 6681892), (126, 5250058), (132, 5011419), (154, 4295502), (198, 3340946), (231, 2863668), (252, 2625029), (308, 2147751), (396, 1670473), (462, 1431834), (693, 954556), (924, 715917), (1386, 477278), (2772, 238639)]