251373192

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1387

約数の個数: 128

約数和(自身を含む): 768998400

約数和(自身を除く): 517625208

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 61, 76, 84, 114, 122, 133, 152, 168, 183, 228, 244, 266, 366, 399, 427, 456, 488, 532, 732, 798, 854, 1064, 1159, 1281, 1291, 1464, 1596, 1708, 2318, 2562, 2582, 3192, 3416, 3477, 3873, 4636, 5124, 5164, 6954, 7746, 8113, 9037, 9272, 10248, 10328, 13908, 15492, 16226, 18074, 24339, 24529, 27111, 27816, 30984, 32452, 36148, 48678, 49058, 54222, 64904, 72296, 73587, 78751, 97356, 98116, 108444, 147174, 157502, 171703, 194712, 196232, 216888, 236253, 294348, 315004, 343406, 472506, 515109, 551257, 588696, 630008, 686812, 945012, 1030218, 1102514, 1373624, 1496269, 1653771, 1890024, 2060436, 2205028, 2992538, 3307542, 4120872, 4410056, 4488807, 5985076, 6615084, 8977614, 10473883, 11970152, 13230168, 17955228, 20947766, 31421649, 35910456, 41895532, 62843298, 83791064, 125686596, 251373192]

約数ペア:

[(1, 251373192), (2, 125686596), (3, 83791064), (4, 62843298), (6, 41895532), (7, 35910456), (8, 31421649), (12, 20947766), (14, 17955228), (19, 13230168), (21, 11970152), (24, 10473883), (28, 8977614), (38, 6615084), (42, 5985076), (56, 4488807), (57, 4410056), (61, 4120872), (76, 3307542), (84, 2992538), (114, 2205028), (122, 2060436), (133, 1890024), (152, 1653771), (168, 1496269), (183, 1373624), (228, 1102514), (244, 1030218), (266, 945012), (366, 686812), (399, 630008), (427, 588696), (456, 551257), (488, 515109), (532, 472506), (732, 343406), (798, 315004), (854, 294348), (1064, 236253), (1159, 216888), (1281, 196232), (1291, 194712), (1464, 171703), (1596, 157502), (1708, 147174), (2318, 108444), (2562, 98116), (2582, 97356), (3192, 78751), (3416, 73587), (3477, 72296), (3873, 64904), (4636, 54222), (5124, 49058), (5164, 48678), (6954, 36148), (7746, 32452), (8113, 30984), (9037, 27816), (9272, 27111), (10248, 24529), (10328, 24339), (13908, 18074), (15492, 16226)]