81264770

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{191}}^1\times {\mathrm{271}}^1$

素因数の和:626

約数の個数: 32

約数和(自身を含む): 148525056

約数和(自身を除く): 67260286

約数列:

[1, 2, 5, 10, 157, 191, 271, 314, 382, 542, 785, 955, 1355, 1570, 1910, 2710, 29987, 42547, 51761, 59974, 85094, 103522, 149935, 212735, 258805, 299870, 425470, 517610, 8126477, 16252954, 40632385, 81264770]

約数ペア:

[(1, 81264770), (2, 40632385), (5, 16252954), (10, 8126477), (157, 517610), (191, 425470), (271, 299870), (314, 258805), (382, 212735), (542, 149935), (785, 103522), (955, 85094), (1355, 59974), (1570, 51761), (1910, 42547), (2710, 29987)]