1311403728

素因数分解:

$2^4\times 3^1\times {\mathrm{37}}^1\times {\mathrm{738403}}^1$

素因数の和:738451

約数の個数: 40

約数和(自身を含む): 3479359648

約数和(自身を除く): 2167955920

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 37, 48, 74, 111, 148, 222, 296, 444, 592, 888, 1776, 738403, 1476806, 2215209, 2953612, 4430418, 5907224, 8860836, 11814448, 17721672, 27320911, 35443344, 54641822, 81962733, 109283644, 163925466, 218567288, 327850932, 437134576, 655701864, 1311403728]

約数ペア:

[(1, 1311403728), (2, 655701864), (3, 437134576), (4, 327850932), (6, 218567288), (8, 163925466), (12, 109283644), (16, 81962733), (24, 54641822), (37, 35443344), (48, 27320911), (74, 17721672), (111, 11814448), (148, 8860836), (222, 5907224), (296, 4430418), (444, 2953612), (592, 2215209), (888, 1476806), (1776, 738403)]