31409568

素因数分解:

$2^5\times 3^2\times {\mathrm{191}}^1\times {\mathrm{571}}^1$

素因数の和:778

約数の個数: 72

約数和(自身を含む): 89945856

約数和(自身を除く): 58536288

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 32, 36, 48, 72, 96, 144, 191, 288, 382, 571, 573, 764, 1142, 1146, 1528, 1713, 1719, 2284, 2292, 3056, 3426, 3438, 4568, 4584, 5139, 6112, 6852, 6876, 9136, 9168, 10278, 13704, 13752, 18272, 18336, 20556, 27408, 27504, 41112, 54816, 55008, 82224, 109061, 164448, 218122, 327183, 436244, 654366, 872488, 981549, 1308732, 1744976, 1963098, 2617464, 3489952, 3926196, 5234928, 7852392, 10469856, 15704784, 31409568]

約数ペア:

[(1, 31409568), (2, 15704784), (3, 10469856), (4, 7852392), (6, 5234928), (8, 3926196), (9, 3489952), (12, 2617464), (16, 1963098), (18, 1744976), (24, 1308732), (32, 981549), (36, 872488), (48, 654366), (72, 436244), (96, 327183), (144, 218122), (191, 164448), (288, 109061), (382, 82224), (571, 55008), (573, 54816), (764, 41112), (1142, 27504), (1146, 27408), (1528, 20556), (1713, 18336), (1719, 18272), (2284, 13752), (2292, 13704), (3056, 10278), (3426, 9168), (3438, 9136), (4568, 6876), (4584, 6852), (5139, 6112)]