28358694

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{199}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 80640000

約数和(自身を除く): 52281306

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 27, 29, 39, 42, 54, 58, 63, 78, 87, 91, 117, 126, 174, 182, 189, 199, 203, 234, 261, 273, 351, 377, 378, 398, 406, 522, 546, 597, 609, 702, 754, 783, 819, 1131, 1194, 1218, 1393, 1566, 1638, 1791, 1827, 2262, 2457, 2587, 2639, 2786, 3393, 3582, 3654, 4179, 4914, 5174, 5278, 5373, 5481, 5771, 6786, 7761, 7917, 8358, 10179, 10746, 10962, 11542, 12537, 15522, 15834, 17313, 18109, 20358, 23283, 23751, 25074, 34626, 36218, 37611, 40397, 46566, 47502, 51939, 54327, 69849, 71253, 75023, 75222, 80794, 103878, 108654, 121191, 139698, 142506, 150046, 155817, 162981, 225069, 242382, 311634, 325962, 363573, 450138, 488943, 525161, 675207, 727146, 977886, 1050322, 1090719, 1350414, 1575483, 2025621, 2181438, 3150966, 4051242, 4726449, 9452898, 14179347, 28358694]

約数ペア:

[(1, 28358694), (2, 14179347), (3, 9452898), (6, 4726449), (7, 4051242), (9, 3150966), (13, 2181438), (14, 2025621), (18, 1575483), (21, 1350414), (26, 1090719), (27, 1050322), (29, 977886), (39, 727146), (42, 675207), (54, 525161), (58, 488943), (63, 450138), (78, 363573), (87, 325962), (91, 311634), (117, 242382), (126, 225069), (174, 162981), (182, 155817), (189, 150046), (199, 142506), (203, 139698), (234, 121191), (261, 108654), (273, 103878), (351, 80794), (377, 75222), (378, 75023), (398, 71253), (406, 69849), (522, 54327), (546, 51939), (597, 47502), (609, 46566), (702, 40397), (754, 37611), (783, 36218), (819, 34626), (1131, 25074), (1194, 23751), (1218, 23283), (1393, 20358), (1566, 18109), (1638, 17313), (1791, 15834), (1827, 15522), (2262, 12537), (2457, 11542), (2587, 10962), (2639, 10746), (2786, 10179), (3393, 8358), (3582, 7917), (3654, 7761), (4179, 6786), (4914, 5771), (5174, 5481), (5278, 5373)]