660551188

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{12953}}^1$

素因数の和:13048

約数の個数: 48

約数和(自身を含む): 1349288640

約数和(自身を除く): 688737452

約数列:

[1, 2, 4, 11, 19, 22, 38, 44, 61, 76, 122, 209, 244, 418, 671, 836, 1159, 1342, 2318, 2684, 4636, 12749, 12953, 25498, 25906, 50996, 51812, 142483, 246107, 284966, 492214, 569932, 790133, 984428, 1580266, 2707177, 3160532, 5414354, 8691463, 10828708, 15012527, 17382926, 30025054, 34765852, 60050108, 165137797, 330275594, 660551188]

約数ペア:

[(1, 660551188), (2, 330275594), (4, 165137797), (11, 60050108), (19, 34765852), (22, 30025054), (38, 17382926), (44, 15012527), (61, 10828708), (76, 8691463), (122, 5414354), (209, 3160532), (244, 2707177), (418, 1580266), (671, 984428), (836, 790133), (1159, 569932), (1342, 492214), (2318, 284966), (2684, 246107), (4636, 142483), (12749, 51812), (12953, 50996), (25498, 25906)]