978563384

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{8807}}^1$

素因数の和:8892

約数の個数: 64

約数和(自身を含む): 2092780800

約数和(自身を除く): 1114217416

約数列:

[1, 2, 4, 8, 17, 19, 34, 38, 43, 68, 76, 86, 136, 152, 172, 323, 344, 646, 731, 817, 1292, 1462, 1634, 2584, 2924, 3268, 5848, 6536, 8807, 13889, 17614, 27778, 35228, 55556, 70456, 111112, 149719, 167333, 299438, 334666, 378701, 598876, 669332, 757402, 1197752, 1338664, 1514804, 2844661, 3029608, 5689322, 6437917, 7195319, 11378644, 12875834, 14390638, 22757288, 25751668, 28781276, 51503336, 57562552, 122320423, 244640846, 489281692, 978563384]

約数ペア:

[(1, 978563384), (2, 489281692), (4, 244640846), (8, 122320423), (17, 57562552), (19, 51503336), (34, 28781276), (38, 25751668), (43, 22757288), (68, 14390638), (76, 12875834), (86, 11378644), (136, 7195319), (152, 6437917), (172, 5689322), (323, 3029608), (344, 2844661), (646, 1514804), (731, 1338664), (817, 1197752), (1292, 757402), (1462, 669332), (1634, 598876), (2584, 378701), (2924, 334666), (3268, 299438), (5848, 167333), (6536, 149719), (8807, 111112), (13889, 70456), (17614, 55556), (27778, 35228)]