289300816

素因数分解:

$2^4\times 7^1\times {\mathrm{83}}^1\times {\mathrm{31121}}^1$

素因数の和:31219

約数の個数: 40

約数和(自身を含む): 648333504

約数和(自身を除く): 359032688

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 83, 112, 166, 332, 581, 664, 1162, 1328, 2324, 4648, 9296, 31121, 62242, 124484, 217847, 248968, 435694, 497936, 871388, 1742776, 2583043, 3485552, 5166086, 10332172, 18081301, 20664344, 36162602, 41328688, 72325204, 144650408, 289300816]

約数ペア:

[(1, 289300816), (2, 144650408), (4, 72325204), (7, 41328688), (8, 36162602), (14, 20664344), (16, 18081301), (28, 10332172), (56, 5166086), (83, 3485552), (112, 2583043), (166, 1742776), (332, 871388), (581, 497936), (664, 435694), (1162, 248968), (1328, 217847), (2324, 124484), (4648, 62242), (9296, 31121)]