668889752

素因数分解:

$2^3\times {\mathrm{17}}^1\times {\mathrm{643}}^1\times {\mathrm{7649}}^1$

素因数の和:8315

約数の個数: 32

約数和(自身を含む): 1330182000

約数和(自身を除く): 661292248

約数列:

[1, 2, 4, 8, 17, 34, 68, 136, 643, 1286, 2572, 5144, 7649, 10931, 15298, 21862, 30596, 43724, 61192, 87448, 130033, 260066, 520132, 1040264, 4918307, 9836614, 19673228, 39346456, 83611219, 167222438, 334444876, 668889752]

約数ペア:

[(1, 668889752), (2, 334444876), (4, 167222438), (8, 83611219), (17, 39346456), (34, 19673228), (68, 9836614), (136, 4918307), (643, 1040264), (1286, 520132), (2572, 260066), (5144, 130033), (7649, 87448), (10931, 61192), (15298, 43724), (21862, 30596)]