16405428

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{103}}^1\times {\mathrm{1021}}^1$

素因数の和:1144

約数の個数: 48

約数和(自身を含む): 41664896

約数和(自身を除く): 25259468

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 103, 156, 206, 309, 412, 618, 1021, 1236, 1339, 2042, 2678, 3063, 4017, 4084, 5356, 6126, 8034, 12252, 13273, 16068, 26546, 39819, 53092, 79638, 105163, 159276, 210326, 315489, 420652, 630978, 1261956, 1367119, 2734238, 4101357, 5468476, 8202714, 16405428]

約数ペア:

[(1, 16405428), (2, 8202714), (3, 5468476), (4, 4101357), (6, 2734238), (12, 1367119), (13, 1261956), (26, 630978), (39, 420652), (52, 315489), (78, 210326), (103, 159276), (156, 105163), (206, 79638), (309, 53092), (412, 39819), (618, 26546), (1021, 16068), (1236, 13273), (1339, 12252), (2042, 8034), (2678, 6126), (3063, 5356), (4017, 4084)]