28478502

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{7159}}^1$

素因数の和:7197

約数の個数: 48

約数和(自身を含む): 70368480

約数和(自身を除く): 41889978

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 306, 442, 663, 1326, 1989, 3978, 7159, 14318, 21477, 42954, 64431, 93067, 121703, 128862, 186134, 243406, 279201, 365109, 558402, 730218, 837603, 1095327, 1582139, 1675206, 2190654, 3164278, 4746417, 9492834, 14239251, 28478502]

約数ペア:

[(1, 28478502), (2, 14239251), (3, 9492834), (6, 4746417), (9, 3164278), (13, 2190654), (17, 1675206), (18, 1582139), (26, 1095327), (34, 837603), (39, 730218), (51, 558402), (78, 365109), (102, 279201), (117, 243406), (153, 186134), (221, 128862), (234, 121703), (306, 93067), (442, 64431), (663, 42954), (1326, 21477), (1989, 14318), (3978, 7159)]