28786550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{661}}^1$

素因数の和:753

約数の個数: 48

約数和(自身を含む): 58610832

約数和(自身を除く): 29824282

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 67, 130, 134, 325, 335, 650, 661, 670, 871, 1322, 1675, 1742, 3305, 3350, 4355, 6610, 8593, 8710, 16525, 17186, 21775, 33050, 42965, 43550, 44287, 85930, 88574, 214825, 221435, 429650, 442870, 575731, 1107175, 1151462, 2214350, 2878655, 5757310, 14393275, 28786550]

約数ペア:

[(1, 28786550), (2, 14393275), (5, 5757310), (10, 2878655), (13, 2214350), (25, 1151462), (26, 1107175), (50, 575731), (65, 442870), (67, 429650), (130, 221435), (134, 214825), (325, 88574), (335, 85930), (650, 44287), (661, 43550), (670, 42965), (871, 33050), (1322, 21775), (1675, 17186), (1742, 16525), (3305, 8710), (3350, 8593), (4355, 6610)]