64771956

素因数分解:

$2^2\times 3^2\times {\mathrm{23}}^1\times {\mathrm{137}}^1\times {\mathrm{571}}^1$

素因数の和:741

約数の個数: 72

約数和(自身を含む): 172396224

約数和(自身を除く): 107624268

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 23, 36, 46, 69, 92, 137, 138, 207, 274, 276, 411, 414, 548, 571, 822, 828, 1142, 1233, 1644, 1713, 2284, 2466, 3151, 3426, 4932, 5139, 6302, 6852, 9453, 10278, 12604, 13133, 18906, 20556, 26266, 28359, 37812, 39399, 52532, 56718, 78227, 78798, 113436, 118197, 156454, 157596, 234681, 236394, 312908, 469362, 472788, 704043, 938724, 1408086, 1799221, 2816172, 3598442, 5397663, 7196884, 10795326, 16192989, 21590652, 32385978, 64771956]

約数ペア:

[(1, 64771956), (2, 32385978), (3, 21590652), (4, 16192989), (6, 10795326), (9, 7196884), (12, 5397663), (18, 3598442), (23, 2816172), (36, 1799221), (46, 1408086), (69, 938724), (92, 704043), (137, 472788), (138, 469362), (207, 312908), (274, 236394), (276, 234681), (411, 157596), (414, 156454), (548, 118197), (571, 113436), (822, 78798), (828, 78227), (1142, 56718), (1233, 52532), (1644, 39399), (1713, 37812), (2284, 28359), (2466, 26266), (3151, 20556), (3426, 18906), (4932, 13133), (5139, 12604), (6302, 10278), (6852, 9453)]