389886728

素因数分解:

$2^3\times 7^3\times {\mathrm{11}}^1\times {\mathrm{12917}}^1$

素因数の和:12955

約数の個数: 64

約数和(自身を含む): 930096000

約数和(自身を除く): 540209272

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 49, 56, 77, 88, 98, 154, 196, 308, 343, 392, 539, 616, 686, 1078, 1372, 2156, 2744, 3773, 4312, 7546, 12917, 15092, 25834, 30184, 51668, 90419, 103336, 142087, 180838, 284174, 361676, 568348, 632933, 723352, 994609, 1136696, 1265866, 1989218, 2531732, 3978436, 4430531, 5063464, 6962263, 7956872, 8861062, 13924526, 17722124, 27849052, 35444248, 48735841, 55698104, 97471682, 194943364, 389886728]

約数ペア:

[(1, 389886728), (2, 194943364), (4, 97471682), (7, 55698104), (8, 48735841), (11, 35444248), (14, 27849052), (22, 17722124), (28, 13924526), (44, 8861062), (49, 7956872), (56, 6962263), (77, 5063464), (88, 4430531), (98, 3978436), (154, 2531732), (196, 1989218), (308, 1265866), (343, 1136696), (392, 994609), (539, 723352), (616, 632933), (686, 568348), (1078, 361676), (1372, 284174), (2156, 180838), (2744, 142087), (3773, 103336), (4312, 90419), (7546, 51668), (12917, 30184), (15092, 25834)]