98637721

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{641}}^1$

素因数の和:769

約数の個数: 32

約数和(自身を含む): 129427200

約数和(自身を除く): 30789479

約数列:

[1, 7, 13, 19, 89, 91, 133, 247, 623, 641, 1157, 1691, 1729, 4487, 8099, 8333, 11837, 12179, 21983, 57049, 58331, 85253, 153881, 158327, 399343, 741637, 1083931, 1108289, 5191459, 7587517, 14091103, 98637721]

約数ペア:

[(1, 98637721), (7, 14091103), (13, 7587517), (19, 5191459), (89, 1108289), (91, 1083931), (133, 741637), (247, 399343), (623, 158327), (641, 153881), (1157, 85253), (1691, 58331), (1729, 57049), (4487, 21983), (8099, 12179), (8333, 11837)]