28753764

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{109}}^1$

素因数の和:237

約数の個数: 96

約数和(自身を含む): 77616000

約数和(自身を除く): 48862236

約数列:

[1, 2, 3, 4, 6, 12, 13, 19, 26, 38, 39, 52, 57, 76, 78, 89, 109, 114, 156, 178, 218, 228, 247, 267, 327, 356, 436, 494, 534, 654, 741, 988, 1068, 1157, 1308, 1417, 1482, 1691, 2071, 2314, 2834, 2964, 3382, 3471, 4142, 4251, 4628, 5073, 5668, 6213, 6764, 6942, 8284, 8502, 9701, 10146, 12426, 13884, 17004, 19402, 20292, 21983, 24852, 26923, 29103, 38804, 43966, 53846, 58206, 65949, 80769, 87932, 107692, 116412, 126113, 131898, 161538, 184319, 252226, 263796, 323076, 368638, 378339, 504452, 552957, 737276, 756678, 1105914, 1513356, 2211828, 2396147, 4792294, 7188441, 9584588, 14376882, 28753764]

約数ペア:

[(1, 28753764), (2, 14376882), (3, 9584588), (4, 7188441), (6, 4792294), (12, 2396147), (13, 2211828), (19, 1513356), (26, 1105914), (38, 756678), (39, 737276), (52, 552957), (57, 504452), (76, 378339), (78, 368638), (89, 323076), (109, 263796), (114, 252226), (156, 184319), (178, 161538), (218, 131898), (228, 126113), (247, 116412), (267, 107692), (327, 87932), (356, 80769), (436, 65949), (494, 58206), (534, 53846), (654, 43966), (741, 38804), (988, 29103), (1068, 26923), (1157, 24852), (1308, 21983), (1417, 20292), (1482, 19402), (1691, 17004), (2071, 13884), (2314, 12426), (2834, 10146), (2964, 9701), (3382, 8502), (3471, 8284), (4142, 6942), (4251, 6764), (4628, 6213), (5073, 5668)]