28584790

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{173}}^1$

素因数の和:265

約数の個数: 64

約数和(自身を含む): 58931712

約数和(自身を除く): 30346922

約数列:

[1, 2, 5, 10, 13, 26, 31, 41, 62, 65, 82, 130, 155, 173, 205, 310, 346, 403, 410, 533, 806, 865, 1066, 1271, 1730, 2015, 2249, 2542, 2665, 4030, 4498, 5330, 5363, 6355, 7093, 10726, 11245, 12710, 14186, 16523, 22490, 26815, 33046, 35465, 53630, 69719, 70930, 82615, 92209, 139438, 165230, 184418, 219883, 348595, 439766, 461045, 697190, 922090, 1099415, 2198830, 2858479, 5716958, 14292395, 28584790]

約数ペア:

[(1, 28584790), (2, 14292395), (5, 5716958), (10, 2858479), (13, 2198830), (26, 1099415), (31, 922090), (41, 697190), (62, 461045), (65, 439766), (82, 348595), (130, 219883), (155, 184418), (173, 165230), (205, 139438), (310, 92209), (346, 82615), (403, 70930), (410, 69719), (533, 53630), (806, 35465), (865, 33046), (1066, 26815), (1271, 22490), (1730, 16523), (2015, 14186), (2249, 12710), (2542, 11245), (2665, 10726), (4030, 7093), (4498, 6355), (5330, 5363)]