20151550168

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{1664867}}^1$

素因数の和:1664979

約数の個数: 32

約数和(自身を含む): 40456292400

約数和(自身を除く): 20304742232

約数列:

[1, 2, 4, 8, 17, 34, 68, 89, 136, 178, 356, 712, 1513, 3026, 6052, 12104, 1664867, 3329734, 6659468, 13318936, 28302739, 56605478, 113210956, 148173163, 226421912, 296346326, 592692652, 1185385304, 2518943771, 5037887542, 10075775084, 20151550168]

約数ペア:

[(1, 20151550168), (2, 10075775084), (4, 5037887542), (8, 2518943771), (17, 1185385304), (34, 592692652), (68, 296346326), (89, 226421912), (136, 148173163), (178, 113210956), (356, 56605478), (712, 28302739), (1513, 13318936), (3026, 6659468), (6052, 3329734), (12104, 1664867)]