28198404

素因数分解:

$2^2\times 3^2\times {\mathrm{13}}^1\times {\mathrm{89}}^1\times {\mathrm{677}}^1$

素因数の和:789

約数の個数: 72

約数和(自身を含む): 77739480

約数和(自身を除く): 49541076

約数列:

[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 36, 39, 52, 78, 89, 117, 156, 178, 234, 267, 356, 468, 534, 677, 801, 1068, 1157, 1354, 1602, 2031, 2314, 2708, 3204, 3471, 4062, 4628, 6093, 6942, 8124, 8801, 10413, 12186, 13884, 17602, 20826, 24372, 26403, 35204, 41652, 52806, 60253, 79209, 105612, 120506, 158418, 180759, 241012, 316836, 361518, 542277, 723036, 783289, 1084554, 1566578, 2169108, 2349867, 3133156, 4699734, 7049601, 9399468, 14099202, 28198404]

約数ペア:

[(1, 28198404), (2, 14099202), (3, 9399468), (4, 7049601), (6, 4699734), (9, 3133156), (12, 2349867), (13, 2169108), (18, 1566578), (26, 1084554), (36, 783289), (39, 723036), (52, 542277), (78, 361518), (89, 316836), (117, 241012), (156, 180759), (178, 158418), (234, 120506), (267, 105612), (356, 79209), (468, 60253), (534, 52806), (677, 41652), (801, 35204), (1068, 26403), (1157, 24372), (1354, 20826), (1602, 17602), (2031, 13884), (2314, 12186), (2708, 10413), (3204, 8801), (3471, 8124), (4062, 6942), (4628, 6093)]