11987427770

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{173}}^1\times {\mathrm{9479}}^1$

素因数の和:9719

約数の個数: 64

約数和(自身を含む): 23515557120

約数和(自身を除く): 11528129350

約数列:

[1, 2, 5, 10, 17, 34, 43, 85, 86, 170, 173, 215, 346, 430, 731, 865, 1462, 1730, 2941, 3655, 5882, 7310, 7439, 9479, 14705, 14878, 18958, 29410, 37195, 47395, 74390, 94790, 126463, 161143, 252926, 322286, 407597, 632315, 805715, 815194, 1264630, 1611430, 1639867, 2037985, 3279734, 4075970, 6929149, 8199335, 13858298, 16398670, 27877739, 34645745, 55755478, 69291490, 70514281, 139388695, 141028562, 278777390, 352571405, 705142810, 1198742777, 2397485554, 5993713885, 11987427770]

約数ペア:

[(1, 11987427770), (2, 5993713885), (5, 2397485554), (10, 1198742777), (17, 705142810), (34, 352571405), (43, 278777390), (85, 141028562), (86, 139388695), (170, 70514281), (173, 69291490), (215, 55755478), (346, 34645745), (430, 27877739), (731, 16398670), (865, 13858298), (1462, 8199335), (1730, 6929149), (2941, 4075970), (3655, 3279734), (5882, 2037985), (7310, 1639867), (7439, 1611430), (9479, 1264630), (14705, 815194), (14878, 805715), (18958, 632315), (29410, 407597), (37195, 322286), (47395, 252926), (74390, 161143), (94790, 126463)]