191831948

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^2\times {\mathrm{41}}^1\times {\mathrm{1381}}^1$

素因数の和:1455

約数の個数: 72

約数和(自身を含む): 432311712

約数和(自身を除く): 240479764

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 41, 44, 77, 82, 121, 154, 164, 242, 287, 308, 451, 484, 574, 847, 902, 1148, 1381, 1694, 1804, 2762, 3157, 3388, 4961, 5524, 6314, 9667, 9922, 12628, 15191, 19334, 19844, 30382, 34727, 38668, 56621, 60764, 69454, 106337, 113242, 138908, 167101, 212674, 226484, 334202, 396347, 425348, 622831, 668404, 792694, 1169707, 1245662, 1585388, 2339414, 2491324, 4359817, 4678828, 6851141, 8719634, 13702282, 17439268, 27404564, 47957987, 95915974, 191831948]

約数ペア:

[(1, 191831948), (2, 95915974), (4, 47957987), (7, 27404564), (11, 17439268), (14, 13702282), (22, 8719634), (28, 6851141), (41, 4678828), (44, 4359817), (77, 2491324), (82, 2339414), (121, 1585388), (154, 1245662), (164, 1169707), (242, 792694), (287, 668404), (308, 622831), (451, 425348), (484, 396347), (574, 334202), (847, 226484), (902, 212674), (1148, 167101), (1381, 138908), (1694, 113242), (1804, 106337), (2762, 69454), (3157, 60764), (3388, 56621), (4961, 38668), (5524, 34727), (6314, 30382), (9667, 19844), (9922, 19334), (12628, 15191)]