25781406

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{347}}^1$

素因数の和:449

約数の個数: 64

約数和(自身を含む): 62138880

約数和(自身を除く): 36357474

約数列:

[1, 2, 3, 6, 7, 14, 21, 29, 42, 58, 61, 87, 122, 174, 183, 203, 347, 366, 406, 427, 609, 694, 854, 1041, 1218, 1281, 1769, 2082, 2429, 2562, 3538, 4858, 5307, 7287, 10063, 10614, 12383, 14574, 20126, 21167, 24766, 30189, 37149, 42334, 60378, 63501, 70441, 74298, 127002, 140882, 148169, 211323, 296338, 422646, 444507, 613843, 889014, 1227686, 1841529, 3683058, 4296901, 8593802, 12890703, 25781406]

約数ペア:

[(1, 25781406), (2, 12890703), (3, 8593802), (6, 4296901), (7, 3683058), (14, 1841529), (21, 1227686), (29, 889014), (42, 613843), (58, 444507), (61, 422646), (87, 296338), (122, 211323), (174, 148169), (183, 140882), (203, 127002), (347, 74298), (366, 70441), (406, 63501), (427, 60378), (609, 42334), (694, 37149), (854, 30189), (1041, 24766), (1218, 21167), (1281, 20126), (1769, 14574), (2082, 12383), (2429, 10614), (2562, 10063), (3538, 7287), (4858, 5307)]