28139958

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{257}}^1$

素因数の和:362

約数の個数: 96

約数和(自身を含む): 77276160

約数和(自身を除く): 49136202

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 63, 66, 77, 79, 99, 126, 154, 158, 198, 231, 237, 257, 462, 474, 514, 553, 693, 711, 771, 869, 1106, 1386, 1422, 1542, 1659, 1738, 1799, 2313, 2607, 2827, 3318, 3598, 4626, 4977, 5214, 5397, 5654, 6083, 7821, 8481, 9954, 10794, 12166, 15642, 16191, 16962, 18249, 19789, 20303, 25443, 32382, 36498, 39578, 40606, 50886, 54747, 59367, 60909, 109494, 118734, 121818, 142121, 178101, 182727, 223333, 284242, 356202, 365454, 426363, 446666, 669999, 852726, 1279089, 1339998, 1563331, 2009997, 2558178, 3126662, 4019994, 4689993, 9379986, 14069979, 28139958]

約数ペア:

[(1, 28139958), (2, 14069979), (3, 9379986), (6, 4689993), (7, 4019994), (9, 3126662), (11, 2558178), (14, 2009997), (18, 1563331), (21, 1339998), (22, 1279089), (33, 852726), (42, 669999), (63, 446666), (66, 426363), (77, 365454), (79, 356202), (99, 284242), (126, 223333), (154, 182727), (158, 178101), (198, 142121), (231, 121818), (237, 118734), (257, 109494), (462, 60909), (474, 59367), (514, 54747), (553, 50886), (693, 40606), (711, 39578), (771, 36498), (869, 32382), (1106, 25443), (1386, 20303), (1422, 19789), (1542, 18249), (1659, 16962), (1738, 16191), (1799, 15642), (2313, 12166), (2607, 10794), (2827, 9954), (3318, 8481), (3598, 7821), (4626, 6083), (4977, 5654), (5214, 5397)]