2078394955

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{151}}^1\times {\mathrm{179}}^1$

素因数の和:381

約数の個数: 64

約数和(自身を含む): 3125606400

約数和(自身を除く): 1047211445

約数列:

[1, 5, 7, 13, 35, 65, 91, 151, 169, 179, 455, 755, 845, 895, 1057, 1183, 1253, 1963, 2197, 2327, 5285, 5915, 6265, 9815, 10985, 11635, 13741, 15379, 16289, 25519, 27029, 30251, 68705, 76895, 81445, 127595, 135145, 151255, 178633, 189203, 211757, 331747, 351377, 393263, 893165, 946015, 1058785, 1658735, 1756885, 1966315, 2322229, 2459639, 2752841, 4567901, 11611145, 12298195, 13764205, 22839505, 31975307, 59382713, 159876535, 296913565, 415678991, 2078394955]

約数ペア:

[(1, 2078394955), (5, 415678991), (7, 296913565), (13, 159876535), (35, 59382713), (65, 31975307), (91, 22839505), (151, 13764205), (169, 12298195), (179, 11611145), (455, 4567901), (755, 2752841), (845, 2459639), (895, 2322229), (1057, 1966315), (1183, 1756885), (1253, 1658735), (1963, 1058785), (2197, 946015), (2327, 893165), (5285, 393263), (5915, 351377), (6265, 331747), (9815, 211757), (10985, 189203), (11635, 178633), (13741, 151255), (15379, 135145), (16289, 127595), (25519, 81445), (27029, 76895), (30251, 68705)]