919442888

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{311}}^1$

素因数の和:499

約数の個数: 128

約数和(自身を含む): 2214051840

約数和(自身を除く): 1294608952

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 31, 52, 56, 62, 91, 104, 124, 131, 182, 217, 248, 262, 311, 364, 403, 434, 524, 622, 728, 806, 868, 917, 1048, 1244, 1612, 1703, 1736, 1834, 2177, 2488, 2821, 3224, 3406, 3668, 4043, 4061, 4354, 5642, 6812, 7336, 8086, 8122, 8708, 9641, 11284, 11921, 13624, 16172, 16244, 17416, 19282, 22568, 23842, 28301, 28427, 32344, 32488, 38564, 40741, 47684, 52793, 56602, 56854, 67487, 77128, 81482, 95368, 105586, 113204, 113708, 125333, 134974, 162964, 211172, 226408, 227416, 250666, 269948, 285187, 325928, 369551, 422344, 501332, 529633, 539896, 570374, 739102, 877331, 1002664, 1059266, 1140748, 1262971, 1478204, 1754662, 2118532, 2281496, 2525942, 2956408, 3509324, 3707431, 4237064, 5051884, 7018648, 7414862, 8840797, 10103768, 14829724, 16418623, 17681594, 29659448, 32837246, 35363188, 65674492, 70726376, 114930361, 131348984, 229860722, 459721444, 919442888]

約数ペア:

[(1, 919442888), (2, 459721444), (4, 229860722), (7, 131348984), (8, 114930361), (13, 70726376), (14, 65674492), (26, 35363188), (28, 32837246), (31, 29659448), (52, 17681594), (56, 16418623), (62, 14829724), (91, 10103768), (104, 8840797), (124, 7414862), (131, 7018648), (182, 5051884), (217, 4237064), (248, 3707431), (262, 3509324), (311, 2956408), (364, 2525942), (403, 2281496), (434, 2118532), (524, 1754662), (622, 1478204), (728, 1262971), (806, 1140748), (868, 1059266), (917, 1002664), (1048, 877331), (1244, 739102), (1612, 570374), (1703, 539896), (1736, 529633), (1834, 501332), (2177, 422344), (2488, 369551), (2821, 325928), (3224, 285187), (3406, 269948), (3668, 250666), (4043, 227416), (4061, 226408), (4354, 211172), (5642, 162964), (6812, 134974), (7336, 125333), (8086, 113708), (8122, 113204), (8708, 105586), (9641, 95368), (11284, 81482), (11921, 77128), (13624, 67487), (16172, 56854), (16244, 56602), (17416, 52793), (19282, 47684), (22568, 40741), (23842, 38564), (28301, 32488), (28427, 32344)]