81378592

素因数分解:

$2^5\times {\mathrm{17}}^1\times {\mathrm{227}}^1\times {\mathrm{659}}^1$

素因数の和:913

約数の個数: 48

約数和(自身を含む): 170644320

約数和(自身を除く): 89265728

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 68, 136, 227, 272, 454, 544, 659, 908, 1318, 1816, 2636, 3632, 3859, 5272, 7264, 7718, 10544, 11203, 15436, 21088, 22406, 30872, 44812, 61744, 89624, 123488, 149593, 179248, 299186, 358496, 598372, 1196744, 2393488, 2543081, 4786976, 5086162, 10172324, 20344648, 40689296, 81378592]

約数ペア:

[(1, 81378592), (2, 40689296), (4, 20344648), (8, 10172324), (16, 5086162), (17, 4786976), (32, 2543081), (34, 2393488), (68, 1196744), (136, 598372), (227, 358496), (272, 299186), (454, 179248), (544, 149593), (659, 123488), (908, 89624), (1318, 61744), (1816, 44812), (2636, 30872), (3632, 22406), (3859, 21088), (5272, 15436), (7264, 11203), (7718, 10544)]