405966204

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1\times {\mathrm{331}}^1$

素因数の和:536

約数の個数: 144

約数和(自身を含む): 1222014976

約数和(自身を除く): 816048772

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 31, 36, 42, 62, 63, 84, 93, 124, 126, 157, 186, 217, 252, 279, 314, 331, 372, 434, 471, 558, 628, 651, 662, 868, 942, 993, 1099, 1116, 1302, 1324, 1413, 1884, 1953, 1986, 2198, 2317, 2604, 2826, 2979, 3297, 3906, 3972, 4396, 4634, 4867, 5652, 5958, 6594, 6951, 7812, 9268, 9734, 9891, 10261, 11916, 13188, 13902, 14601, 19468, 19782, 20522, 20853, 27804, 29202, 30783, 34069, 39564, 41044, 41706, 43803, 51967, 58404, 61566, 68138, 71827, 83412, 87606, 92349, 102207, 103934, 123132, 136276, 143654, 155901, 175212, 184698, 204414, 207868, 215481, 287308, 306621, 311802, 363769, 369396, 408828, 430962, 467703, 613242, 623604, 646443, 727538, 861924, 935406, 1091307, 1226484, 1292886, 1455076, 1610977, 1870812, 2182614, 2585772, 3221954, 3273921, 4365228, 4832931, 6443908, 6547842, 9665862, 11276839, 13095684, 14498793, 19331724, 22553678, 28997586, 33830517, 45107356, 57995172, 67661034, 101491551, 135322068, 202983102, 405966204]

約数ペア:

[(1, 405966204), (2, 202983102), (3, 135322068), (4, 101491551), (6, 67661034), (7, 57995172), (9, 45107356), (12, 33830517), (14, 28997586), (18, 22553678), (21, 19331724), (28, 14498793), (31, 13095684), (36, 11276839), (42, 9665862), (62, 6547842), (63, 6443908), (84, 4832931), (93, 4365228), (124, 3273921), (126, 3221954), (157, 2585772), (186, 2182614), (217, 1870812), (252, 1610977), (279, 1455076), (314, 1292886), (331, 1226484), (372, 1091307), (434, 935406), (471, 861924), (558, 727538), (628, 646443), (651, 623604), (662, 613242), (868, 467703), (942, 430962), (993, 408828), (1099, 369396), (1116, 363769), (1302, 311802), (1324, 306621), (1413, 287308), (1884, 215481), (1953, 207868), (1986, 204414), (2198, 184698), (2317, 175212), (2604, 155901), (2826, 143654), (2979, 136276), (3297, 123132), (3906, 103934), (3972, 102207), (4396, 92349), (4634, 87606), (4867, 83412), (5652, 71827), (5958, 68138), (6594, 61566), (6951, 58404), (7812, 51967), (9268, 43803), (9734, 41706), (9891, 41044), (10261, 39564), (11916, 34069), (13188, 30783), (13902, 29202), (14601, 27804), (19468, 20853), (19782, 20522)]