28740816

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^2\times {\mathrm{1181}}^1$

素因数の和:1221

約数の個数: 90

約数和(自身を含む): 87171318

約数和(自身を除く): 58430502

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 72, 78, 104, 117, 144, 156, 169, 208, 234, 312, 338, 468, 507, 624, 676, 936, 1014, 1181, 1352, 1521, 1872, 2028, 2362, 2704, 3042, 3543, 4056, 4724, 6084, 7086, 8112, 9448, 10629, 12168, 14172, 15353, 18896, 21258, 24336, 28344, 30706, 42516, 46059, 56688, 61412, 85032, 92118, 122824, 138177, 170064, 184236, 199589, 245648, 276354, 368472, 399178, 552708, 598767, 736944, 798356, 1105416, 1197534, 1596712, 1796301, 2210832, 2395068, 3193424, 3592602, 4790136, 7185204, 9580272, 14370408, 28740816]

約数ペア:

[(1, 28740816), (2, 14370408), (3, 9580272), (4, 7185204), (6, 4790136), (8, 3592602), (9, 3193424), (12, 2395068), (13, 2210832), (16, 1796301), (18, 1596712), (24, 1197534), (26, 1105416), (36, 798356), (39, 736944), (48, 598767), (52, 552708), (72, 399178), (78, 368472), (104, 276354), (117, 245648), (144, 199589), (156, 184236), (169, 170064), (208, 138177), (234, 122824), (312, 92118), (338, 85032), (468, 61412), (507, 56688), (624, 46059), (676, 42516), (936, 30706), (1014, 28344), (1181, 24336), (1352, 21258), (1521, 18896), (1872, 15353), (2028, 14172), (2362, 12168), (2704, 10629), (3042, 9448), (3543, 8112), (4056, 7086), (4724, 6084)]