651231384

素因数分解:

$2^3\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{2003}}^1$

素因数の和:2085

約数の個数: 128

約数和(自身を含む): 1846886400

約数和(自身を除く): 1195655016

約数列:

[1, 2, 3, 4, 6, 8, 12, 19, 23, 24, 31, 38, 46, 57, 62, 69, 76, 92, 93, 114, 124, 138, 152, 184, 186, 228, 248, 276, 372, 437, 456, 552, 589, 713, 744, 874, 1178, 1311, 1426, 1748, 1767, 2003, 2139, 2356, 2622, 2852, 3496, 3534, 4006, 4278, 4712, 5244, 5704, 6009, 7068, 8012, 8556, 10488, 12018, 13547, 14136, 16024, 17112, 24036, 27094, 38057, 40641, 46069, 48072, 54188, 62093, 76114, 81282, 92138, 108376, 114171, 124186, 138207, 152228, 162564, 184276, 186279, 228342, 248372, 276414, 304456, 325128, 368552, 372558, 456684, 496744, 552828, 745116, 875311, 913368, 1105656, 1179767, 1428139, 1490232, 1750622, 2359534, 2625933, 2856278, 3501244, 3539301, 4284417, 4719068, 5251866, 5712556, 7002488, 7078602, 8568834, 9438136, 10503732, 11425112, 14157204, 17137668, 21007464, 27134641, 28314408, 34275336, 54269282, 81403923, 108538564, 162807846, 217077128, 325615692, 651231384]

約数ペア:

[(1, 651231384), (2, 325615692), (3, 217077128), (4, 162807846), (6, 108538564), (8, 81403923), (12, 54269282), (19, 34275336), (23, 28314408), (24, 27134641), (31, 21007464), (38, 17137668), (46, 14157204), (57, 11425112), (62, 10503732), (69, 9438136), (76, 8568834), (92, 7078602), (93, 7002488), (114, 5712556), (124, 5251866), (138, 4719068), (152, 4284417), (184, 3539301), (186, 3501244), (228, 2856278), (248, 2625933), (276, 2359534), (372, 1750622), (437, 1490232), (456, 1428139), (552, 1179767), (589, 1105656), (713, 913368), (744, 875311), (874, 745116), (1178, 552828), (1311, 496744), (1426, 456684), (1748, 372558), (1767, 368552), (2003, 325128), (2139, 304456), (2356, 276414), (2622, 248372), (2852, 228342), (3496, 186279), (3534, 184276), (4006, 162564), (4278, 152228), (4712, 138207), (5244, 124186), (5704, 114171), (6009, 108376), (7068, 92138), (8012, 81282), (8556, 76114), (10488, 62093), (12018, 54188), (13547, 48072), (14136, 46069), (16024, 40641), (17112, 38057), (24036, 27094)]