66863890

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251}}^1\times {\mathrm{1567}}^1$

素因数の和:1842

約数の個数: 32

約数和(自身を含む): 128024064

約数和(自身を除く): 61160174

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 251, 502, 1255, 1567, 2510, 3134, 4267, 7835, 8534, 15670, 21335, 26639, 42670, 53278, 133195, 266390, 393317, 786634, 1966585, 3933170, 6686389, 13372778, 33431945, 66863890]

約数ペア:

[(1, 66863890), (2, 33431945), (5, 13372778), (10, 6686389), (17, 3933170), (34, 1966585), (85, 786634), (170, 393317), (251, 266390), (502, 133195), (1255, 53278), (1567, 42670), (2510, 26639), (3134, 21335), (4267, 15670), (7835, 8534)]