28746354

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{163}}^1$

素因数の和:224

約数の個数: 128

約数和(自身を含む): 79349760

約数和(自身を除く): 50603406

約数列:

[1, 2, 3, 6, 7, 13, 14, 17, 19, 21, 26, 34, 38, 39, 42, 51, 57, 78, 91, 102, 114, 119, 133, 163, 182, 221, 238, 247, 266, 273, 323, 326, 357, 399, 442, 489, 494, 546, 646, 663, 714, 741, 798, 969, 978, 1141, 1326, 1482, 1547, 1729, 1938, 2119, 2261, 2282, 2771, 3094, 3097, 3423, 3458, 4199, 4238, 4522, 4641, 5187, 5542, 6194, 6357, 6783, 6846, 8313, 8398, 9282, 9291, 10374, 12597, 12714, 13566, 14833, 16626, 18582, 19397, 21679, 25194, 29393, 29666, 36023, 38794, 40261, 43358, 44499, 52649, 58191, 58786, 65037, 72046, 80522, 88179, 88998, 105298, 108069, 116382, 120783, 130074, 157947, 176358, 216138, 241566, 252161, 281827, 315894, 368543, 504322, 563654, 684437, 737086, 756483, 845481, 1105629, 1368874, 1512966, 1690962, 2053311, 2211258, 4106622, 4791059, 9582118, 14373177, 28746354]

約数ペア:

[(1, 28746354), (2, 14373177), (3, 9582118), (6, 4791059), (7, 4106622), (13, 2211258), (14, 2053311), (17, 1690962), (19, 1512966), (21, 1368874), (26, 1105629), (34, 845481), (38, 756483), (39, 737086), (42, 684437), (51, 563654), (57, 504322), (78, 368543), (91, 315894), (102, 281827), (114, 252161), (119, 241566), (133, 216138), (163, 176358), (182, 157947), (221, 130074), (238, 120783), (247, 116382), (266, 108069), (273, 105298), (323, 88998), (326, 88179), (357, 80522), (399, 72046), (442, 65037), (489, 58786), (494, 58191), (546, 52649), (646, 44499), (663, 43358), (714, 40261), (741, 38794), (798, 36023), (969, 29666), (978, 29393), (1141, 25194), (1326, 21679), (1482, 19397), (1547, 18582), (1729, 16626), (1938, 14833), (2119, 13566), (2261, 12714), (2282, 12597), (2771, 10374), (3094, 9291), (3097, 9282), (3423, 8398), (3458, 8313), (4199, 6846), (4238, 6783), (4522, 6357), (4641, 6194), (5187, 5542)]