28395612

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{281}}^1\times {\mathrm{401}}^1$

素因数の和:699

約数の個数: 72

約数和(自身を含む): 82528992

約数和(自身を除く): 54133380

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 281, 401, 562, 802, 843, 1124, 1203, 1604, 1686, 1967, 2406, 2529, 2807, 3372, 3609, 3934, 4812, 5058, 5614, 5901, 7218, 7868, 8421, 10116, 11228, 11802, 14436, 16842, 17703, 23604, 25263, 33684, 35406, 50526, 70812, 101052, 112681, 225362, 338043, 450724, 676086, 788767, 1014129, 1352172, 1577534, 2028258, 2366301, 3155068, 4056516, 4732602, 7098903, 9465204, 14197806, 28395612]

約数ペア:

[(1, 28395612), (2, 14197806), (3, 9465204), (4, 7098903), (6, 4732602), (7, 4056516), (9, 3155068), (12, 2366301), (14, 2028258), (18, 1577534), (21, 1352172), (28, 1014129), (36, 788767), (42, 676086), (63, 450724), (84, 338043), (126, 225362), (252, 112681), (281, 101052), (401, 70812), (562, 50526), (802, 35406), (843, 33684), (1124, 25263), (1203, 23604), (1604, 17703), (1686, 16842), (1967, 14436), (2406, 11802), (2529, 11228), (2807, 10116), (3372, 8421), (3609, 7868), (3934, 7218), (4812, 5901), (5058, 5614)]