61258990

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{523}}^1$

素因数の和:613

約数の個数: 64

約数和(自身を含む): 128350656

約数和(自身を除く): 67091666

約数列:

[1, 2, 5, 10, 13, 17, 26, 34, 53, 65, 85, 106, 130, 170, 221, 265, 442, 523, 530, 689, 901, 1046, 1105, 1378, 1802, 2210, 2615, 3445, 4505, 5230, 6799, 6890, 8891, 9010, 11713, 13598, 17782, 23426, 27719, 33995, 44455, 55438, 58565, 67990, 88910, 115583, 117130, 138595, 231166, 277190, 360347, 471223, 577915, 720694, 942446, 1155830, 1801735, 2356115, 3603470, 4712230, 6125899, 12251798, 30629495, 61258990]

約数ペア:

[(1, 61258990), (2, 30629495), (5, 12251798), (10, 6125899), (13, 4712230), (17, 3603470), (26, 2356115), (34, 1801735), (53, 1155830), (65, 942446), (85, 720694), (106, 577915), (130, 471223), (170, 360347), (221, 277190), (265, 231166), (442, 138595), (523, 117130), (530, 115583), (689, 88910), (901, 67990), (1046, 58565), (1105, 55438), (1378, 44455), (1802, 33995), (2210, 27719), (2615, 23426), (3445, 17782), (4505, 13598), (5230, 11713), (6799, 9010), (6890, 8891)]