208523742

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1\times {\mathrm{409}}^1$

素因数の和:681

約数の個数: 64

約数和(自身を含む): 488064000

約数和(自身を除く): 279540258

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 61, 122, 183, 199, 366, 398, 409, 427, 597, 818, 854, 1194, 1227, 1281, 1393, 2454, 2562, 2786, 2863, 4179, 5726, 8358, 8589, 12139, 17178, 24278, 24949, 36417, 49898, 72834, 74847, 81391, 84973, 149694, 162782, 169946, 174643, 244173, 254919, 349286, 488346, 509838, 523929, 569737, 1047858, 1139474, 1709211, 3418422, 4964851, 9929702, 14894553, 29789106, 34753957, 69507914, 104261871, 208523742]

約数ペア:

[(1, 208523742), (2, 104261871), (3, 69507914), (6, 34753957), (7, 29789106), (14, 14894553), (21, 9929702), (42, 4964851), (61, 3418422), (122, 1709211), (183, 1139474), (199, 1047858), (366, 569737), (398, 523929), (409, 509838), (427, 488346), (597, 349286), (818, 254919), (854, 244173), (1194, 174643), (1227, 169946), (1281, 162782), (1393, 149694), (2454, 84973), (2562, 81391), (2786, 74847), (2863, 72834), (4179, 49898), (5726, 36417), (8358, 24949), (8589, 24278), (12139, 17178)]