778830156

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{821}}^1\times {\mathrm{2027}}^1$

素因数の和:2871

約数の個数: 72

約数和(自身を含む): 2123778384

約数和(自身を除く): 1344948228

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 117, 156, 234, 468, 821, 1642, 2027, 2463, 3284, 4054, 4926, 6081, 7389, 8108, 9852, 10673, 12162, 14778, 18243, 21346, 24324, 26351, 29556, 32019, 36486, 42692, 52702, 64038, 72972, 79053, 96057, 105404, 128076, 158106, 192114, 237159, 316212, 384228, 474318, 948636, 1664167, 3328334, 4992501, 6656668, 9985002, 14977503, 19970004, 21634171, 29955006, 43268342, 59910012, 64902513, 86536684, 129805026, 194707539, 259610052, 389415078, 778830156]

約数ペア:

[(1, 778830156), (2, 389415078), (3, 259610052), (4, 194707539), (6, 129805026), (9, 86536684), (12, 64902513), (13, 59910012), (18, 43268342), (26, 29955006), (36, 21634171), (39, 19970004), (52, 14977503), (78, 9985002), (117, 6656668), (156, 4992501), (234, 3328334), (468, 1664167), (821, 948636), (1642, 474318), (2027, 384228), (2463, 316212), (3284, 237159), (4054, 192114), (4926, 158106), (6081, 128076), (7389, 105404), (8108, 96057), (9852, 79053), (10673, 72972), (12162, 64038), (14778, 52702), (18243, 42692), (21346, 36486), (24324, 32019), (26351, 29556)]