25781145

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1$

素因数の和:194

約数の個数: 64

約数和(自身を含む): 47416320

約数和(自身を除く): 21635175

約数列:

[1, 3, 5, 13, 15, 29, 39, 47, 65, 87, 97, 141, 145, 195, 235, 291, 377, 435, 485, 611, 705, 1131, 1261, 1363, 1455, 1833, 1885, 2813, 3055, 3783, 4089, 4559, 5655, 6305, 6815, 8439, 9165, 13677, 14065, 17719, 18915, 20445, 22795, 36569, 42195, 53157, 59267, 68385, 88595, 109707, 132211, 177801, 182845, 265785, 296335, 396633, 548535, 661055, 889005, 1718743, 1983165, 5156229, 8593715, 25781145]

約数ペア:

[(1, 25781145), (3, 8593715), (5, 5156229), (13, 1983165), (15, 1718743), (29, 889005), (39, 661055), (47, 548535), (65, 396633), (87, 296335), (97, 265785), (141, 182845), (145, 177801), (195, 132211), (235, 109707), (291, 88595), (377, 68385), (435, 59267), (485, 53157), (611, 42195), (705, 36569), (1131, 22795), (1261, 20445), (1363, 18915), (1455, 17719), (1833, 14065), (1885, 13677), (2813, 9165), (3055, 8439), (3783, 6815), (4089, 6305), (4559, 5655)]