789889128

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{1889}}^1$

素因数の和:2055

約数の個数: 128

約数和(自身を含む): 2395008000

約数和(自身を除く): 1605118872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 19, 21, 24, 28, 38, 42, 56, 57, 76, 84, 114, 131, 133, 152, 168, 228, 262, 266, 393, 399, 456, 524, 532, 786, 798, 917, 1048, 1064, 1572, 1596, 1834, 1889, 2489, 2751, 3144, 3192, 3668, 3778, 4978, 5502, 5667, 7336, 7467, 7556, 9956, 11004, 11334, 13223, 14934, 15112, 17423, 19912, 22008, 22668, 26446, 29868, 34846, 35891, 39669, 45336, 52269, 52892, 59736, 69692, 71782, 79338, 104538, 105784, 107673, 139384, 143564, 158676, 209076, 215346, 247459, 251237, 287128, 317352, 418152, 430692, 494918, 502474, 742377, 753711, 861384, 989836, 1004948, 1484754, 1507422, 1732213, 1979672, 2009896, 2969508, 3014844, 3464426, 4701721, 5196639, 5939016, 6029688, 6928852, 9403442, 10393278, 13857704, 14105163, 18806884, 20786556, 28210326, 32912047, 37613768, 41573112, 56420652, 65824094, 98736141, 112841304, 131648188, 197472282, 263296376, 394944564, 789889128]

約数ペア:

[(1, 789889128), (2, 394944564), (3, 263296376), (4, 197472282), (6, 131648188), (7, 112841304), (8, 98736141), (12, 65824094), (14, 56420652), (19, 41573112), (21, 37613768), (24, 32912047), (28, 28210326), (38, 20786556), (42, 18806884), (56, 14105163), (57, 13857704), (76, 10393278), (84, 9403442), (114, 6928852), (131, 6029688), (133, 5939016), (152, 5196639), (168, 4701721), (228, 3464426), (262, 3014844), (266, 2969508), (393, 2009896), (399, 1979672), (456, 1732213), (524, 1507422), (532, 1484754), (786, 1004948), (798, 989836), (917, 861384), (1048, 753711), (1064, 742377), (1572, 502474), (1596, 494918), (1834, 430692), (1889, 418152), (2489, 317352), (2751, 287128), (3144, 251237), (3192, 247459), (3668, 215346), (3778, 209076), (4978, 158676), (5502, 143564), (5667, 139384), (7336, 107673), (7467, 105784), (7556, 104538), (9956, 79338), (11004, 71782), (11334, 69692), (13223, 59736), (14934, 52892), (15112, 52269), (17423, 45336), (19912, 39669), (22008, 35891), (22668, 34846), (26446, 29868)]