27983428

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{179}}^1$

素因数の和:241

約数の個数: 72

約数和(自身を含む): 60328800

約数和(自身を除く): 32345372

約数列:

[1, 2, 4, 11, 17, 19, 22, 34, 38, 44, 68, 76, 121, 179, 187, 209, 242, 323, 358, 374, 418, 484, 646, 716, 748, 836, 1292, 1969, 2057, 2299, 3043, 3401, 3553, 3938, 4114, 4598, 6086, 6802, 7106, 7876, 8228, 9196, 12172, 13604, 14212, 21659, 33473, 37411, 39083, 43318, 57817, 66946, 74822, 78166, 86636, 115634, 133892, 149644, 156332, 231268, 368203, 411521, 635987, 736406, 823042, 1271974, 1472812, 1646084, 2543948, 6995857, 13991714, 27983428]

約数ペア:

[(1, 27983428), (2, 13991714), (4, 6995857), (11, 2543948), (17, 1646084), (19, 1472812), (22, 1271974), (34, 823042), (38, 736406), (44, 635987), (68, 411521), (76, 368203), (121, 231268), (179, 156332), (187, 149644), (209, 133892), (242, 115634), (323, 86636), (358, 78166), (374, 74822), (418, 66946), (484, 57817), (646, 43318), (716, 39083), (748, 37411), (836, 33473), (1292, 21659), (1969, 14212), (2057, 13604), (2299, 12172), (3043, 9196), (3401, 8228), (3553, 7876), (3938, 7106), (4114, 6802), (4598, 6086)]