1649291216

素因数分解:

$2^4\times {\mathrm{79}}^1\times {\mathrm{101}}^1\times {\mathrm{12919}}^1$

素因数の和:13107

約数の個数: 40

約数和(自身を含む): 3268243200

約数和(自身を除く): 1618951984

約数列:

[1, 2, 4, 8, 16, 79, 101, 158, 202, 316, 404, 632, 808, 1264, 1616, 7979, 12919, 15958, 25838, 31916, 51676, 63832, 103352, 127664, 206704, 1020601, 1304819, 2041202, 2609638, 4082404, 5219276, 8164808, 10438552, 16329616, 20877104, 103080701, 206161402, 412322804, 824645608, 1649291216]

約数ペア:

[(1, 1649291216), (2, 824645608), (4, 412322804), (8, 206161402), (16, 103080701), (79, 20877104), (101, 16329616), (158, 10438552), (202, 8164808), (316, 5219276), (404, 4082404), (632, 2609638), (808, 2041202), (1264, 1304819), (1616, 1020601), (7979, 206704), (12919, 127664), (15958, 103352), (25838, 63832), (31916, 51676)]