28970565

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{109}}^1$

素因数の和:206

約数の個数: 64

約数和(自身を含む): 53222400

約数和(自身を除く): 24251835

約数列:

[1, 3, 5, 13, 15, 29, 39, 47, 65, 87, 109, 141, 145, 195, 235, 327, 377, 435, 545, 611, 705, 1131, 1363, 1417, 1635, 1833, 1885, 3055, 3161, 4089, 4251, 5123, 5655, 6815, 7085, 9165, 9483, 15369, 15805, 17719, 20445, 21255, 25615, 41093, 47415, 53157, 66599, 76845, 88595, 123279, 148567, 199797, 205465, 265785, 332995, 445701, 616395, 742835, 998985, 1931371, 2228505, 5794113, 9656855, 28970565]

約数ペア:

[(1, 28970565), (3, 9656855), (5, 5794113), (13, 2228505), (15, 1931371), (29, 998985), (39, 742835), (47, 616395), (65, 445701), (87, 332995), (109, 265785), (141, 205465), (145, 199797), (195, 148567), (235, 123279), (327, 88595), (377, 76845), (435, 66599), (545, 53157), (611, 47415), (705, 41093), (1131, 25615), (1363, 21255), (1417, 20445), (1635, 17719), (1833, 15805), (1885, 15369), (3055, 9483), (3161, 9165), (4089, 7085), (4251, 6815), (5123, 5655)]