28981368

素因数分解:

$2^3\times 3^3\times {\mathrm{13}}^1\times {\mathrm{10321}}^1$

素因数の和:10349

約数の個数: 64

約数和(自身を含む): 86704800

約数和(自身を除く): 57723432

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 24, 26, 27, 36, 39, 52, 54, 72, 78, 104, 108, 117, 156, 216, 234, 312, 351, 468, 702, 936, 1404, 2808, 10321, 20642, 30963, 41284, 61926, 82568, 92889, 123852, 134173, 185778, 247704, 268346, 278667, 371556, 402519, 536692, 557334, 743112, 805038, 1073384, 1114668, 1207557, 1610076, 2229336, 2415114, 3220152, 3622671, 4830228, 7245342, 9660456, 14490684, 28981368]

約数ペア:

[(1, 28981368), (2, 14490684), (3, 9660456), (4, 7245342), (6, 4830228), (8, 3622671), (9, 3220152), (12, 2415114), (13, 2229336), (18, 1610076), (24, 1207557), (26, 1114668), (27, 1073384), (36, 805038), (39, 743112), (52, 557334), (54, 536692), (72, 402519), (78, 371556), (104, 278667), (108, 268346), (117, 247704), (156, 185778), (216, 134173), (234, 123852), (312, 92889), (351, 82568), (468, 61926), (702, 41284), (936, 30963), (1404, 20642), (2808, 10321)]