51961390

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{109}}^1\times {\mathrm{193}}^1$

素因数の和:341

約数の個数: 64

約数和(自身を含む): 107553600

約数和(自身を除く): 55592210

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 109, 130, 190, 193, 218, 247, 386, 494, 545, 965, 1090, 1235, 1417, 1930, 2071, 2470, 2509, 2834, 3667, 4142, 5018, 7085, 7334, 10355, 12545, 14170, 18335, 20710, 21037, 25090, 26923, 36670, 42074, 47671, 53846, 95342, 105185, 134615, 210370, 238355, 269230, 273481, 399703, 476710, 546962, 799406, 1367405, 1998515, 2734810, 3997030, 5196139, 10392278, 25980695, 51961390]

約数ペア:

[(1, 51961390), (2, 25980695), (5, 10392278), (10, 5196139), (13, 3997030), (19, 2734810), (26, 1998515), (38, 1367405), (65, 799406), (95, 546962), (109, 476710), (130, 399703), (190, 273481), (193, 269230), (218, 238355), (247, 210370), (386, 134615), (494, 105185), (545, 95342), (965, 53846), (1090, 47671), (1235, 42074), (1417, 36670), (1930, 26923), (2071, 25090), (2470, 21037), (2509, 20710), (2834, 18335), (3667, 14170), (4142, 12545), (5018, 10355), (7085, 7334)]