161642804

素因数分解:

$2^2\times {\mathrm{19}}^2\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{157}}^1$

素因数の和:253

約数の個数: 72

約数和(自身を含む): 323624448

約数和(自身を除く): 161981644

約数列:

[1, 2, 4, 19, 23, 31, 38, 46, 62, 76, 92, 124, 157, 314, 361, 437, 589, 628, 713, 722, 874, 1178, 1426, 1444, 1748, 2356, 2852, 2983, 3611, 4867, 5966, 7222, 8303, 9734, 11191, 11932, 13547, 14444, 16606, 19468, 22382, 27094, 33212, 44764, 54188, 56677, 68609, 92473, 111941, 113354, 137218, 184946, 223882, 226708, 257393, 274436, 369892, 447764, 514786, 1029572, 1303571, 1756987, 2126879, 2607142, 3513974, 4253758, 5214284, 7027948, 8507516, 40410701, 80821402, 161642804]

約数ペア:

[(1, 161642804), (2, 80821402), (4, 40410701), (19, 8507516), (23, 7027948), (31, 5214284), (38, 4253758), (46, 3513974), (62, 2607142), (76, 2126879), (92, 1756987), (124, 1303571), (157, 1029572), (314, 514786), (361, 447764), (437, 369892), (589, 274436), (628, 257393), (713, 226708), (722, 223882), (874, 184946), (1178, 137218), (1426, 113354), (1444, 111941), (1748, 92473), (2356, 68609), (2852, 56677), (2983, 54188), (3611, 44764), (4867, 33212), (5966, 27094), (7222, 22382), (8303, 19468), (9734, 16606), (11191, 14444), (11932, 13547)]