645172

素因数分解:

$2^2\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{43}}^1$

素因数の和:100

約数の個数: 36

約数和(自身を含む): 1310848

約数和(自身を除く): 665676

約数列:

[1, 2, 4, 11, 22, 31, 43, 44, 62, 86, 121, 124, 172, 242, 341, 473, 484, 682, 946, 1333, 1364, 1892, 2666, 3751, 5203, 5332, 7502, 10406, 14663, 15004, 20812, 29326, 58652, 161293, 322586, 645172]

約数ペア:

[(1, 645172), (2, 322586), (4, 161293), (11, 58652), (22, 29326), (31, 20812), (43, 15004), (44, 14663), (62, 10406), (86, 7502), (121, 5332), (124, 5203), (172, 3751), (242, 2666), (341, 1892), (473, 1364), (484, 1333), (682, 946)]