1291218530

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{131}}^1\times {\mathrm{7411}}^1$

素因数の和:7575

約数の個数: 64

約数和(自身を含む): 2817745920

約数和(自身を除く): 1526527390

約数列:

[1, 2, 5, 7, 10, 14, 19, 35, 38, 70, 95, 131, 133, 190, 262, 266, 655, 665, 917, 1310, 1330, 1834, 2489, 4585, 4978, 7411, 9170, 12445, 14822, 17423, 24890, 34846, 37055, 51877, 74110, 87115, 103754, 140809, 174230, 259385, 281618, 518770, 704045, 970841, 985663, 1408090, 1941682, 1971326, 4854205, 4928315, 6795887, 9708410, 9856630, 13591774, 18445979, 33979435, 36891958, 67958870, 92229895, 129121853, 184459790, 258243706, 645609265, 1291218530]

約数ペア:

[(1, 1291218530), (2, 645609265), (5, 258243706), (7, 184459790), (10, 129121853), (14, 92229895), (19, 67958870), (35, 36891958), (38, 33979435), (70, 18445979), (95, 13591774), (131, 9856630), (133, 9708410), (190, 6795887), (262, 4928315), (266, 4854205), (655, 1971326), (665, 1941682), (917, 1408090), (1310, 985663), (1330, 970841), (1834, 704045), (2489, 518770), (4585, 281618), (4978, 259385), (7411, 174230), (9170, 140809), (12445, 103754), (14822, 87115), (17423, 74110), (24890, 51877), (34846, 37055)]