81687232

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{197}}^1$

素因数の和:270

約数の個数: 112

約数和(自身を含む): 193121280

約数和(自身を除く): 111434048

約数列:

[1, 2, 4, 8, 11, 16, 19, 22, 31, 32, 38, 44, 62, 64, 76, 88, 124, 152, 176, 197, 209, 248, 304, 341, 352, 394, 418, 496, 589, 608, 682, 704, 788, 836, 992, 1178, 1216, 1364, 1576, 1672, 1984, 2167, 2356, 2728, 3152, 3344, 3743, 4334, 4712, 5456, 6107, 6304, 6479, 6688, 7486, 8668, 9424, 10912, 12214, 12608, 12958, 13376, 14972, 17336, 18848, 21824, 24428, 25916, 29944, 34672, 37696, 41173, 48856, 51832, 59888, 67177, 69344, 82346, 97712, 103664, 116033, 119776, 134354, 138688, 164692, 195424, 207328, 232066, 239552, 268708, 329384, 390848, 414656, 464132, 537416, 658768, 928264, 1074832, 1276363, 1317536, 1856528, 2149664, 2552726, 2635072, 3713056, 4299328, 5105452, 7426112, 10210904, 20421808, 40843616, 81687232]

約数ペア:

[(1, 81687232), (2, 40843616), (4, 20421808), (8, 10210904), (11, 7426112), (16, 5105452), (19, 4299328), (22, 3713056), (31, 2635072), (32, 2552726), (38, 2149664), (44, 1856528), (62, 1317536), (64, 1276363), (76, 1074832), (88, 928264), (124, 658768), (152, 537416), (176, 464132), (197, 414656), (209, 390848), (248, 329384), (304, 268708), (341, 239552), (352, 232066), (394, 207328), (418, 195424), (496, 164692), (589, 138688), (608, 134354), (682, 119776), (704, 116033), (788, 103664), (836, 97712), (992, 82346), (1178, 69344), (1216, 67177), (1364, 59888), (1576, 51832), (1672, 48856), (1984, 41173), (2167, 37696), (2356, 34672), (2728, 29944), (3152, 25916), (3344, 24428), (3743, 21824), (4334, 18848), (4712, 17336), (5456, 14972), (6107, 13376), (6304, 12958), (6479, 12608), (6688, 12214), (7486, 10912), (8668, 9424)]