138581408

素因数分解:

$2^5\times 7^2\times {\mathrm{31}}^1\times {\mathrm{2851}}^1$

素因数の和:2906

約数の個数: 72

約数和(自身を含む): 327729024

約数和(自身を除く): 189147616

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 49, 56, 62, 98, 112, 124, 196, 217, 224, 248, 392, 434, 496, 784, 868, 992, 1519, 1568, 1736, 2851, 3038, 3472, 5702, 6076, 6944, 11404, 12152, 19957, 22808, 24304, 39914, 45616, 48608, 79828, 88381, 91232, 139699, 159656, 176762, 279398, 319312, 353524, 558796, 618667, 638624, 707048, 1117592, 1237334, 1414096, 2235184, 2474668, 2828192, 4330669, 4470368, 4949336, 8661338, 9898672, 17322676, 19797344, 34645352, 69290704, 138581408]

約数ペア:

[(1, 138581408), (2, 69290704), (4, 34645352), (7, 19797344), (8, 17322676), (14, 9898672), (16, 8661338), (28, 4949336), (31, 4470368), (32, 4330669), (49, 2828192), (56, 2474668), (62, 2235184), (98, 1414096), (112, 1237334), (124, 1117592), (196, 707048), (217, 638624), (224, 618667), (248, 558796), (392, 353524), (434, 319312), (496, 279398), (784, 176762), (868, 159656), (992, 139699), (1519, 91232), (1568, 88381), (1736, 79828), (2851, 48608), (3038, 45616), (3472, 39914), (5702, 24304), (6076, 22808), (6944, 19957), (11404, 12152)]