123913972

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:126

約数の個数: 144

約数和(自身を含む): 301093632

約数和(自身を除く): 177179660

約数列:

[1, 2, 4, 7, 13, 14, 19, 23, 26, 28, 38, 41, 46, 52, 76, 82, 91, 92, 133, 161, 164, 182, 247, 266, 287, 299, 322, 361, 364, 437, 494, 532, 533, 574, 598, 644, 722, 779, 874, 943, 988, 1066, 1148, 1196, 1444, 1558, 1729, 1748, 1886, 2093, 2132, 2527, 3059, 3116, 3458, 3731, 3772, 4186, 4693, 5054, 5453, 5681, 6118, 6601, 6916, 7462, 8303, 8372, 9386, 10108, 10127, 10906, 11362, 12236, 12259, 13202, 14801, 14924, 16606, 17917, 18772, 20254, 21812, 22724, 24518, 26404, 29602, 32851, 33212, 35834, 39767, 40508, 49036, 58121, 59204, 65702, 70889, 71668, 79534, 85813, 103607, 107939, 116242, 125419, 131404, 141778, 159068, 171626, 192413, 207214, 215878, 232484, 232921, 250838, 283556, 340423, 343252, 384826, 414428, 431756, 465842, 501676, 680846, 755573, 769652, 931684, 1346891, 1361692, 1511146, 1630447, 2382961, 2693782, 3022292, 3260894, 4425499, 4765922, 5387564, 6521788, 8850998, 9531844, 17701996, 30978493, 61956986, 123913972]

約数ペア:

[(1, 123913972), (2, 61956986), (4, 30978493), (7, 17701996), (13, 9531844), (14, 8850998), (19, 6521788), (23, 5387564), (26, 4765922), (28, 4425499), (38, 3260894), (41, 3022292), (46, 2693782), (52, 2382961), (76, 1630447), (82, 1511146), (91, 1361692), (92, 1346891), (133, 931684), (161, 769652), (164, 755573), (182, 680846), (247, 501676), (266, 465842), (287, 431756), (299, 414428), (322, 384826), (361, 343252), (364, 340423), (437, 283556), (494, 250838), (532, 232921), (533, 232484), (574, 215878), (598, 207214), (644, 192413), (722, 171626), (779, 159068), (874, 141778), (943, 131404), (988, 125419), (1066, 116242), (1148, 107939), (1196, 103607), (1444, 85813), (1558, 79534), (1729, 71668), (1748, 70889), (1886, 65702), (2093, 59204), (2132, 58121), (2527, 49036), (3059, 40508), (3116, 39767), (3458, 35834), (3731, 33212), (3772, 32851), (4186, 29602), (4693, 26404), (5054, 24518), (5453, 22724), (5681, 21812), (6118, 20254), (6601, 18772), (6916, 17917), (7462, 16606), (8303, 14924), (8372, 14801), (9386, 13202), (10108, 12259), (10127, 12236), (10906, 11362)]