251927390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{5683}}^1$

素因数の和:5745

約数の個数: 64

約数和(自身を含む): 550029312

約数和(自身を除く): 298101922

約数列:

[1, 2, 5, 10, 11, 13, 22, 26, 31, 55, 62, 65, 110, 130, 143, 155, 286, 310, 341, 403, 682, 715, 806, 1430, 1705, 2015, 3410, 4030, 4433, 5683, 8866, 11366, 22165, 28415, 44330, 56830, 62513, 73879, 125026, 147758, 176173, 312565, 352346, 369395, 625130, 738790, 812669, 880865, 1625338, 1761730, 1937903, 2290249, 3875806, 4063345, 4580498, 8126690, 9689515, 11451245, 19379030, 22902490, 25192739, 50385478, 125963695, 251927390]

約数ペア:

[(1, 251927390), (2, 125963695), (5, 50385478), (10, 25192739), (11, 22902490), (13, 19379030), (22, 11451245), (26, 9689515), (31, 8126690), (55, 4580498), (62, 4063345), (65, 3875806), (110, 2290249), (130, 1937903), (143, 1761730), (155, 1625338), (286, 880865), (310, 812669), (341, 738790), (403, 625130), (682, 369395), (715, 352346), (806, 312565), (1430, 176173), (1705, 147758), (2015, 125026), (3410, 73879), (4030, 62513), (4433, 56830), (5683, 44330), (8866, 28415), (11366, 22165)]