251389788

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{227}}^1\times {\mathrm{229}}^1$

素因数の和:507

約数の個数: 96

約数和(自身を含む): 657807360

約数和(自身を除く): 406417572

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 31, 39, 52, 62, 78, 93, 124, 156, 186, 227, 229, 372, 403, 454, 458, 681, 687, 806, 908, 916, 1209, 1362, 1374, 1612, 2418, 2724, 2748, 2951, 2977, 4836, 5902, 5954, 7037, 7099, 8853, 8931, 11804, 11908, 14074, 14198, 17706, 17862, 21111, 21297, 28148, 28396, 35412, 35724, 42222, 42594, 51983, 84444, 85188, 91481, 92287, 103966, 155949, 182962, 184574, 207932, 274443, 276861, 311898, 365924, 369148, 548886, 553722, 623796, 675779, 1097772, 1107444, 1351558, 1611473, 2027337, 2703116, 3222946, 4054674, 4834419, 6445892, 8109348, 9668838, 19337676, 20949149, 41898298, 62847447, 83796596, 125694894, 251389788]

約数ペア:

[(1, 251389788), (2, 125694894), (3, 83796596), (4, 62847447), (6, 41898298), (12, 20949149), (13, 19337676), (26, 9668838), (31, 8109348), (39, 6445892), (52, 4834419), (62, 4054674), (78, 3222946), (93, 2703116), (124, 2027337), (156, 1611473), (186, 1351558), (227, 1107444), (229, 1097772), (372, 675779), (403, 623796), (454, 553722), (458, 548886), (681, 369148), (687, 365924), (806, 311898), (908, 276861), (916, 274443), (1209, 207932), (1362, 184574), (1374, 182962), (1612, 155949), (2418, 103966), (2724, 92287), (2748, 91481), (2951, 85188), (2977, 84444), (4836, 51983), (5902, 42594), (5954, 42222), (7037, 35724), (7099, 35412), (8853, 28396), (8931, 28148), (11804, 21297), (11908, 21111), (14074, 17862), (14198, 17706)]