28803848

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:270

約数の個数: 64

約数和(自身を含む): 61430400

約数和(自身を除く): 32626552

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 68, 71, 76, 136, 142, 152, 157, 284, 314, 323, 568, 628, 646, 1207, 1256, 1292, 1349, 2414, 2584, 2669, 2698, 2983, 4828, 5338, 5396, 5966, 9656, 10676, 10792, 11147, 11932, 21352, 22294, 22933, 23864, 44588, 45866, 50711, 89176, 91732, 101422, 183464, 189499, 202844, 211793, 378998, 405688, 423586, 757996, 847172, 1515992, 1694344, 3600481, 7200962, 14401924, 28803848]

約数ペア:

[(1, 28803848), (2, 14401924), (4, 7200962), (8, 3600481), (17, 1694344), (19, 1515992), (34, 847172), (38, 757996), (68, 423586), (71, 405688), (76, 378998), (136, 211793), (142, 202844), (152, 189499), (157, 183464), (284, 101422), (314, 91732), (323, 89176), (568, 50711), (628, 45866), (646, 44588), (1207, 23864), (1256, 22933), (1292, 22294), (1349, 21352), (2414, 11932), (2584, 11147), (2669, 10792), (2698, 10676), (2983, 9656), (4828, 5966), (5338, 5396)]