28807308

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{83}}^1\times {\mathrm{311}}^1$

素因数の和:435

約数の個数: 72

約数和(自身を含む): 76317696

約数和(自身を除く): 47510388

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 83, 93, 124, 166, 186, 249, 279, 311, 332, 372, 498, 558, 622, 747, 933, 996, 1116, 1244, 1494, 1866, 2573, 2799, 2988, 3732, 5146, 5598, 7719, 9641, 10292, 11196, 15438, 19282, 23157, 25813, 28923, 30876, 38564, 46314, 51626, 57846, 77439, 86769, 92628, 103252, 115692, 154878, 173538, 232317, 309756, 347076, 464634, 800203, 929268, 1600406, 2400609, 3200812, 4801218, 7201827, 9602436, 14403654, 28807308]

約数ペア:

[(1, 28807308), (2, 14403654), (3, 9602436), (4, 7201827), (6, 4801218), (9, 3200812), (12, 2400609), (18, 1600406), (31, 929268), (36, 800203), (62, 464634), (83, 347076), (93, 309756), (124, 232317), (166, 173538), (186, 154878), (249, 115692), (279, 103252), (311, 92628), (332, 86769), (372, 77439), (498, 57846), (558, 51626), (622, 46314), (747, 38564), (933, 30876), (996, 28923), (1116, 25813), (1244, 23157), (1494, 19282), (1866, 15438), (2573, 11196), (2799, 10292), (2988, 9641), (3732, 7719), (5146, 5598)]