213512810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1613}}^1$

素因数の和:1719

約数の個数: 64

約数和(自身を含む): 461113344

約数和(自身を除く): 247600534

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 61, 62, 70, 122, 155, 217, 305, 310, 427, 434, 610, 854, 1085, 1613, 1891, 2135, 2170, 3226, 3782, 4270, 8065, 9455, 11291, 13237, 16130, 18910, 22582, 26474, 50003, 56455, 66185, 98393, 100006, 112910, 132370, 196786, 250015, 350021, 491965, 500030, 688751, 700042, 983930, 1377502, 1750105, 3050183, 3443755, 3500210, 6100366, 6887510, 15250915, 21351281, 30501830, 42702562, 106756405, 213512810]

約数ペア:

[(1, 213512810), (2, 106756405), (5, 42702562), (7, 30501830), (10, 21351281), (14, 15250915), (31, 6887510), (35, 6100366), (61, 3500210), (62, 3443755), (70, 3050183), (122, 1750105), (155, 1377502), (217, 983930), (305, 700042), (310, 688751), (427, 500030), (434, 491965), (610, 350021), (854, 250015), (1085, 196786), (1613, 132370), (1891, 112910), (2135, 100006), (2170, 98393), (3226, 66185), (3782, 56455), (4270, 50003), (8065, 26474), (9455, 22582), (11291, 18910), (13237, 16130)]