1231412

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{199}}^1$

素因数の和:240

約数の個数: 48

約数和(自身を含む): 2822400

約数和(自身を除く): 1590988

約数列:

[1, 2, 4, 7, 13, 14, 17, 26, 28, 34, 52, 68, 91, 119, 182, 199, 221, 238, 364, 398, 442, 476, 796, 884, 1393, 1547, 2587, 2786, 3094, 3383, 5174, 5572, 6188, 6766, 10348, 13532, 18109, 23681, 36218, 43979, 47362, 72436, 87958, 94724, 175916, 307853, 615706, 1231412]

約数ペア:

[(1, 1231412), (2, 615706), (4, 307853), (7, 175916), (13, 94724), (14, 87958), (17, 72436), (26, 47362), (28, 43979), (34, 36218), (52, 23681), (68, 18109), (91, 13532), (119, 10348), (182, 6766), (199, 6188), (221, 5572), (238, 5174), (364, 3383), (398, 3094), (442, 2786), (476, 2587), (796, 1547), (884, 1393)]