678797988

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{9721}}^1$

素因数の和:9785

約数の個数: 72

約数和(自身を含む): 1806425376

約数和(自身を除く): 1127627388

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 23, 33, 44, 46, 66, 69, 92, 132, 138, 253, 276, 506, 529, 759, 1012, 1058, 1518, 1587, 2116, 3036, 3174, 5819, 6348, 9721, 11638, 17457, 19442, 23276, 29163, 34914, 38884, 58326, 69828, 106931, 116652, 213862, 223583, 320793, 427724, 447166, 641586, 670749, 894332, 1283172, 1341498, 2459413, 2682996, 4918826, 5142409, 7378239, 9837652, 10284818, 14756478, 15427227, 20569636, 29512956, 30854454, 56566499, 61708908, 113132998, 169699497, 226265996, 339398994, 678797988]

約数ペア:

[(1, 678797988), (2, 339398994), (3, 226265996), (4, 169699497), (6, 113132998), (11, 61708908), (12, 56566499), (22, 30854454), (23, 29512956), (33, 20569636), (44, 15427227), (46, 14756478), (66, 10284818), (69, 9837652), (92, 7378239), (132, 5142409), (138, 4918826), (253, 2682996), (276, 2459413), (506, 1341498), (529, 1283172), (759, 894332), (1012, 670749), (1058, 641586), (1518, 447166), (1587, 427724), (2116, 320793), (3036, 223583), (3174, 213862), (5819, 116652), (6348, 106931), (9721, 69828), (11638, 58326), (17457, 38884), (19442, 34914), (23276, 29163)]