131421328

素因数分解:

$2^4\times {\mathrm{19}}^2\times {\mathrm{61}}^1\times {\mathrm{373}}^1$

素因数の和:480

約数の個数: 60

約数和(自身を含む): 273873468

約数和(自身を除く): 142452140

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 361, 373, 488, 722, 746, 976, 1159, 1444, 1492, 2318, 2888, 2984, 4636, 5776, 5968, 7087, 9272, 14174, 18544, 22021, 22753, 28348, 44042, 45506, 56696, 88084, 91012, 113392, 134653, 176168, 182024, 269306, 352336, 364048, 432307, 538612, 864614, 1077224, 1729228, 2154448, 3458456, 6916912, 8213833, 16427666, 32855332, 65710664, 131421328]

約数ペア:

[(1, 131421328), (2, 65710664), (4, 32855332), (8, 16427666), (16, 8213833), (19, 6916912), (38, 3458456), (61, 2154448), (76, 1729228), (122, 1077224), (152, 864614), (244, 538612), (304, 432307), (361, 364048), (373, 352336), (488, 269306), (722, 182024), (746, 176168), (976, 134653), (1159, 113392), (1444, 91012), (1492, 88084), (2318, 56696), (2888, 45506), (2984, 44042), (4636, 28348), (5776, 22753), (5968, 22021), (7087, 18544), (9272, 14174)]