217574244

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{31}}^2\times {\mathrm{331}}^1$

素因数の和:422

約数の個数: 108

約数和(自身を含む): 600010320

約数和(自身を除く): 382436076

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 31, 36, 38, 57, 62, 76, 93, 114, 124, 171, 186, 228, 279, 331, 342, 372, 558, 589, 662, 684, 961, 993, 1116, 1178, 1324, 1767, 1922, 1986, 2356, 2883, 2979, 3534, 3844, 3972, 5301, 5766, 5958, 6289, 7068, 8649, 10261, 10602, 11532, 11916, 12578, 17298, 18259, 18867, 20522, 21204, 25156, 30783, 34596, 36518, 37734, 41044, 54777, 56601, 61566, 73036, 75468, 92349, 109554, 113202, 123132, 164331, 184698, 194959, 219108, 226404, 318091, 328662, 369396, 389918, 584877, 636182, 657324, 779836, 954273, 1169754, 1272364, 1754631, 1908546, 2339508, 2862819, 3509262, 3817092, 5725638, 6043729, 7018524, 11451276, 12087458, 18131187, 24174916, 36262374, 54393561, 72524748, 108787122, 217574244]

約数ペア:

[(1, 217574244), (2, 108787122), (3, 72524748), (4, 54393561), (6, 36262374), (9, 24174916), (12, 18131187), (18, 12087458), (19, 11451276), (31, 7018524), (36, 6043729), (38, 5725638), (57, 3817092), (62, 3509262), (76, 2862819), (93, 2339508), (114, 1908546), (124, 1754631), (171, 1272364), (186, 1169754), (228, 954273), (279, 779836), (331, 657324), (342, 636182), (372, 584877), (558, 389918), (589, 369396), (662, 328662), (684, 318091), (961, 226404), (993, 219108), (1116, 194959), (1178, 184698), (1324, 164331), (1767, 123132), (1922, 113202), (1986, 109554), (2356, 92349), (2883, 75468), (2979, 73036), (3534, 61566), (3844, 56601), (3972, 54777), (5301, 41044), (5766, 37734), (5958, 36518), (6289, 34596), (7068, 30783), (8649, 25156), (10261, 21204), (10602, 20522), (11532, 18867), (11916, 18259), (12578, 17298)]