31810506

素因数分解:

$2^1\times 3^1\times 7^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1$

素因数の和:109

約数の個数: 128

約数和(自身を含む): 84672000

約数和(自身を除く): 52861494

約数列:

[1, 2, 3, 6, 7, 13, 14, 21, 26, 29, 39, 41, 42, 49, 58, 78, 82, 87, 91, 98, 123, 147, 174, 182, 203, 246, 273, 287, 294, 343, 377, 406, 533, 546, 574, 609, 637, 686, 754, 861, 1029, 1066, 1131, 1189, 1218, 1274, 1421, 1599, 1722, 1911, 2009, 2058, 2262, 2378, 2639, 2842, 3198, 3567, 3731, 3822, 4018, 4263, 4459, 5278, 6027, 7134, 7462, 7917, 8323, 8526, 8918, 9947, 11193, 12054, 13377, 14063, 15457, 15834, 16646, 18473, 19894, 22386, 24969, 26117, 26754, 28126, 29841, 30914, 36946, 42189, 46371, 49938, 52234, 55419, 58261, 59682, 78351, 84378, 92742, 108199, 110838, 116522, 129311, 156702, 174783, 182819, 216398, 258622, 324597, 349566, 365638, 387933, 407827, 548457, 649194, 757393, 775866, 815654, 1096914, 1223481, 1514786, 2272179, 2446962, 4544358, 5301751, 10603502, 15905253, 31810506]

約数ペア:

[(1, 31810506), (2, 15905253), (3, 10603502), (6, 5301751), (7, 4544358), (13, 2446962), (14, 2272179), (21, 1514786), (26, 1223481), (29, 1096914), (39, 815654), (41, 775866), (42, 757393), (49, 649194), (58, 548457), (78, 407827), (82, 387933), (87, 365638), (91, 349566), (98, 324597), (123, 258622), (147, 216398), (174, 182819), (182, 174783), (203, 156702), (246, 129311), (273, 116522), (287, 110838), (294, 108199), (343, 92742), (377, 84378), (406, 78351), (533, 59682), (546, 58261), (574, 55419), (609, 52234), (637, 49938), (686, 46371), (754, 42189), (861, 36946), (1029, 30914), (1066, 29841), (1131, 28126), (1189, 26754), (1218, 26117), (1274, 24969), (1421, 22386), (1599, 19894), (1722, 18473), (1911, 16646), (2009, 15834), (2058, 15457), (2262, 14063), (2378, 13377), (2639, 12054), (2842, 11193), (3198, 9947), (3567, 8918), (3731, 8526), (3822, 8323), (4018, 7917), (4263, 7462), (4459, 7134), (5278, 6027)]