31979108

素因数分解:

$2^2\times 7^1\times {\mathrm{17}}^1\times {\mathrm{23}}^2\times {\mathrm{127}}^1$

素因数の和:201

約数の個数: 72

約数和(自身を含む): 71350272

約数和(自身を除く): 39371164

約数列:

[1, 2, 4, 7, 14, 17, 23, 28, 34, 46, 68, 92, 119, 127, 161, 238, 254, 322, 391, 476, 508, 529, 644, 782, 889, 1058, 1564, 1778, 2116, 2159, 2737, 2921, 3556, 3703, 4318, 5474, 5842, 7406, 8636, 8993, 10948, 11684, 14812, 15113, 17986, 20447, 30226, 35972, 40894, 49657, 60452, 62951, 67183, 81788, 99314, 125902, 134366, 198628, 251804, 268732, 347599, 470281, 695198, 940562, 1142111, 1390396, 1881124, 2284222, 4568444, 7994777, 15989554, 31979108]

約数ペア:

[(1, 31979108), (2, 15989554), (4, 7994777), (7, 4568444), (14, 2284222), (17, 1881124), (23, 1390396), (28, 1142111), (34, 940562), (46, 695198), (68, 470281), (92, 347599), (119, 268732), (127, 251804), (161, 198628), (238, 134366), (254, 125902), (322, 99314), (391, 81788), (476, 67183), (508, 62951), (529, 60452), (644, 49657), (782, 40894), (889, 35972), (1058, 30226), (1564, 20447), (1778, 17986), (2116, 15113), (2159, 14812), (2737, 11684), (2921, 10948), (3556, 8993), (3703, 8636), (4318, 7406), (5474, 5842)]