209684358

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{52711}}^1$

素因数の和:52749

約数の個数: 48

約数和(自身を含む): 518053536

約数和(自身を除く): 308369178

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, 52711, 105422, 158133, 316266, 474399, 685243, 896087, 948798, 1370486, 1792174, 2055729, 2688261, 4111458, 5376522, 6167187, 8064783, 11649131, 12334374, 16129566, 23298262, 34947393, 69894786, 104842179, 209684358]

約数ペア:

[(1, 209684358), (2, 104842179), (3, 69894786), (6, 34947393), (9, 23298262), (13, 16129566), (17, 12334374), (18, 11649131), (26, 8064783), (34, 6167187), (39, 5376522), (51, 4111458), (78, 2688261), (102, 2055729), (117, 1792174), (153, 1370486), (221, 948798), (234, 896087), (306, 685243), (442, 474399), (663, 316266), (1326, 158133), (1989, 105422), (3978, 52711)]