31298696

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{251}}^1$

素因数の和:390

約数の個数: 64

約数和(自身を含む): 69854400

約数和(自身を除く): 38555704

約数列:

[1, 2, 4, 8, 11, 13, 22, 26, 44, 52, 88, 104, 109, 143, 218, 251, 286, 436, 502, 572, 872, 1004, 1144, 1199, 1417, 2008, 2398, 2761, 2834, 3263, 4796, 5522, 5668, 6526, 9592, 11044, 11336, 13052, 15587, 22088, 26104, 27359, 31174, 35893, 54718, 62348, 71786, 109436, 124696, 143572, 218872, 287144, 300949, 355667, 601898, 711334, 1203796, 1422668, 2407592, 2845336, 3912337, 7824674, 15649348, 31298696]

約数ペア:

[(1, 31298696), (2, 15649348), (4, 7824674), (8, 3912337), (11, 2845336), (13, 2407592), (22, 1422668), (26, 1203796), (44, 711334), (52, 601898), (88, 355667), (104, 300949), (109, 287144), (143, 218872), (218, 143572), (251, 124696), (286, 109436), (436, 71786), (502, 62348), (572, 54718), (872, 35893), (1004, 31174), (1144, 27359), (1199, 26104), (1417, 22088), (2008, 15587), (2398, 13052), (2761, 11336), (2834, 11044), (3263, 9592), (4796, 6526), (5522, 5668)]