219977552

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{113}}^1\times {\mathrm{421}}^1$

素因数の和:576

約数の個数: 60

約数和(自身を含む): 457843836

約数和(自身を除く): 237866284

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 113, 136, 226, 272, 289, 421, 452, 578, 842, 904, 1156, 1684, 1808, 1921, 2312, 3368, 3842, 4624, 6736, 7157, 7684, 14314, 15368, 28628, 30736, 32657, 47573, 57256, 65314, 95146, 114512, 121669, 130628, 190292, 243338, 261256, 380584, 486676, 522512, 761168, 808741, 973352, 1617482, 1946704, 3234964, 6469928, 12939856, 13748597, 27497194, 54994388, 109988776, 219977552]

約数ペア:

[(1, 219977552), (2, 109988776), (4, 54994388), (8, 27497194), (16, 13748597), (17, 12939856), (34, 6469928), (68, 3234964), (113, 1946704), (136, 1617482), (226, 973352), (272, 808741), (289, 761168), (421, 522512), (452, 486676), (578, 380584), (842, 261256), (904, 243338), (1156, 190292), (1684, 130628), (1808, 121669), (1921, 114512), (2312, 95146), (3368, 65314), (3842, 57256), (4624, 47573), (6736, 32657), (7157, 30736), (7684, 28628), (14314, 15368)]