131479278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{73}}^1$

素因数の和:202

約数の個数: 128

約数和(自身を含む): 334740480

約数和(自身を除く): 203261202

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 37, 38, 42, 57, 61, 73, 74, 111, 114, 122, 133, 146, 183, 219, 222, 259, 266, 366, 399, 427, 438, 511, 518, 703, 777, 798, 854, 1022, 1159, 1281, 1387, 1406, 1533, 1554, 2109, 2257, 2318, 2562, 2701, 2774, 3066, 3477, 4161, 4218, 4453, 4514, 4921, 5402, 6771, 6954, 8103, 8113, 8322, 8906, 9709, 9842, 13359, 13542, 14763, 15799, 16206, 16226, 18907, 19418, 24339, 26718, 29127, 29526, 31171, 31598, 37814, 42883, 47397, 48678, 51319, 56721, 58254, 62342, 84607, 85766, 93513, 94794, 102638, 113442, 128649, 153957, 164761, 169214, 187026, 253821, 257298, 300181, 307914, 329522, 359233, 494283, 507642, 592249, 600362, 718466, 900543, 988566, 1077699, 1153327, 1184498, 1776747, 1801086, 2155398, 2306654, 3130459, 3459981, 3553494, 6260918, 6919962, 9391377, 18782754, 21913213, 43826426, 65739639, 131479278]

約数ペア:

[(1, 131479278), (2, 65739639), (3, 43826426), (6, 21913213), (7, 18782754), (14, 9391377), (19, 6919962), (21, 6260918), (37, 3553494), (38, 3459981), (42, 3130459), (57, 2306654), (61, 2155398), (73, 1801086), (74, 1776747), (111, 1184498), (114, 1153327), (122, 1077699), (133, 988566), (146, 900543), (183, 718466), (219, 600362), (222, 592249), (259, 507642), (266, 494283), (366, 359233), (399, 329522), (427, 307914), (438, 300181), (511, 257298), (518, 253821), (703, 187026), (777, 169214), (798, 164761), (854, 153957), (1022, 128649), (1159, 113442), (1281, 102638), (1387, 94794), (1406, 93513), (1533, 85766), (1554, 84607), (2109, 62342), (2257, 58254), (2318, 56721), (2562, 51319), (2701, 48678), (2774, 47397), (3066, 42883), (3477, 37814), (4161, 31598), (4218, 31171), (4453, 29526), (4514, 29127), (4921, 26718), (5402, 24339), (6771, 19418), (6954, 18907), (8103, 16226), (8113, 16206), (8322, 15799), (8906, 14763), (9709, 13542), (9842, 13359)]