388315548

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{349}}^1\times {\mathrm{997}}^1$

素因数の和:1387

約数の個数: 72

約数和(自身を含む): 1017161600

約数和(自身を除く): 628846052

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 124, 186, 279, 349, 372, 558, 698, 997, 1047, 1116, 1396, 1994, 2094, 2991, 3141, 3988, 4188, 5982, 6282, 8973, 10819, 11964, 12564, 17946, 21638, 30907, 32457, 35892, 43276, 61814, 64914, 92721, 97371, 123628, 129828, 185442, 194742, 278163, 347953, 370884, 389484, 556326, 695906, 1043859, 1112652, 1391812, 2087718, 3131577, 4175436, 6263154, 10786543, 12526308, 21573086, 32359629, 43146172, 64719258, 97078887, 129438516, 194157774, 388315548]

約数ペア:

[(1, 388315548), (2, 194157774), (3, 129438516), (4, 97078887), (6, 64719258), (9, 43146172), (12, 32359629), (18, 21573086), (31, 12526308), (36, 10786543), (62, 6263154), (93, 4175436), (124, 3131577), (186, 2087718), (279, 1391812), (349, 1112652), (372, 1043859), (558, 695906), (698, 556326), (997, 389484), (1047, 370884), (1116, 347953), (1396, 278163), (1994, 194742), (2094, 185442), (2991, 129828), (3141, 123628), (3988, 97371), (4188, 92721), (5982, 64914), (6282, 61814), (8973, 43276), (10819, 35892), (11964, 32457), (12564, 30907), (17946, 21638)]