2159787916

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{222109}}^1$

素因数の和:222154

約数の個数: 48

約数和(自身を含む): 4701624480

約数和(自身を除く): 2541836564

約数列:

[1, 2, 4, 11, 13, 17, 22, 26, 34, 44, 52, 68, 143, 187, 221, 286, 374, 442, 572, 748, 884, 2431, 4862, 9724, 222109, 444218, 888436, 2443199, 2887417, 3775853, 4886398, 5774834, 7551706, 9772796, 11549668, 15103412, 31761587, 41534383, 49086089, 63523174, 83068766, 98172178, 127046348, 166137532, 196344356, 539946979, 1079893958, 2159787916]

約数ペア:

[(1, 2159787916), (2, 1079893958), (4, 539946979), (11, 196344356), (13, 166137532), (17, 127046348), (22, 98172178), (26, 83068766), (34, 63523174), (44, 49086089), (52, 41534383), (68, 31761587), (143, 15103412), (187, 11549668), (221, 9772796), (286, 7551706), (374, 5774834), (442, 4886398), (572, 3775853), (748, 2887417), (884, 2443199), (2431, 888436), (4862, 444218), (9724, 222109)]