27662890

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{101}}^1\times {\mathrm{449}}^1$

素因数の和:618

約数の個数: 32

約数和(自身を含む): 51224400

約数和(自身を除く): 23561510

約数列:

[1, 2, 5, 10, 61, 101, 122, 202, 305, 449, 505, 610, 898, 1010, 2245, 4490, 6161, 12322, 27389, 30805, 45349, 54778, 61610, 90698, 136945, 226745, 273890, 453490, 2766289, 5532578, 13831445, 27662890]

約数ペア:

[(1, 27662890), (2, 13831445), (5, 5532578), (10, 2766289), (61, 453490), (101, 273890), (122, 226745), (202, 136945), (305, 90698), (449, 61610), (505, 54778), (610, 45349), (898, 30805), (1010, 27389), (2245, 12322), (4490, 6161)]