28221530

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{41}}^1\times {\mathrm{4049}}^1$

素因数の和:4114

約数の個数: 32

約数和(自身を含む): 55112400

約数和(自身を除く): 26890870

約数列:

[1, 2, 5, 10, 17, 34, 41, 82, 85, 170, 205, 410, 697, 1394, 3485, 4049, 6970, 8098, 20245, 40490, 68833, 137666, 166009, 332018, 344165, 688330, 830045, 1660090, 2822153, 5644306, 14110765, 28221530]

約数ペア:

[(1, 28221530), (2, 14110765), (5, 5644306), (10, 2822153), (17, 1660090), (34, 830045), (41, 688330), (82, 344165), (85, 332018), (170, 166009), (205, 137666), (410, 68833), (697, 40490), (1394, 20245), (3485, 8098), (4049, 6970)]