1386804944

素因数分解:

$2^4\times 7^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2389}}^1$

素因数の和:2548

約数の個数: 80

約数和(自身を含む): 3158012160

約数和(自身を除く): 1771207216

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 71, 73, 112, 142, 146, 284, 292, 497, 511, 568, 584, 994, 1022, 1136, 1168, 1988, 2044, 2389, 3976, 4088, 4778, 5183, 7952, 8176, 9556, 10366, 16723, 19112, 20732, 33446, 36281, 38224, 41464, 66892, 72562, 82928, 133784, 145124, 169619, 174397, 267568, 290248, 339238, 348794, 580496, 678476, 697588, 1187333, 1220779, 1356952, 1395176, 2374666, 2441558, 2713904, 2790352, 4749332, 4883116, 9498664, 9766232, 12382187, 18997328, 19532464, 24764374, 49528748, 86675309, 99057496, 173350618, 198114992, 346701236, 693402472, 1386804944]

約数ペア:

[(1, 1386804944), (2, 693402472), (4, 346701236), (7, 198114992), (8, 173350618), (14, 99057496), (16, 86675309), (28, 49528748), (56, 24764374), (71, 19532464), (73, 18997328), (112, 12382187), (142, 9766232), (146, 9498664), (284, 4883116), (292, 4749332), (497, 2790352), (511, 2713904), (568, 2441558), (584, 2374666), (994, 1395176), (1022, 1356952), (1136, 1220779), (1168, 1187333), (1988, 697588), (2044, 678476), (2389, 580496), (3976, 348794), (4088, 339238), (4778, 290248), (5183, 267568), (7952, 174397), (8176, 169619), (9556, 145124), (10366, 133784), (16723, 82928), (19112, 72562), (20732, 66892), (33446, 41464), (36281, 38224)]