81442208

素因数分解:

$2^5\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{149}}^1$

素因数の和:238

約数の個数: 96

約数和(自身を含む): 181440000

約数和(自身を除く): 99997792

約数列:

[1, 2, 4, 8, 16, 19, 29, 31, 32, 38, 58, 62, 76, 116, 124, 149, 152, 232, 248, 298, 304, 464, 496, 551, 589, 596, 608, 899, 928, 992, 1102, 1178, 1192, 1798, 2204, 2356, 2384, 2831, 3596, 4321, 4408, 4619, 4712, 4768, 5662, 7192, 8642, 8816, 9238, 9424, 11324, 14384, 17081, 17284, 17632, 18476, 18848, 22648, 28768, 34162, 34568, 36952, 45296, 68324, 69136, 73904, 82099, 87761, 90592, 133951, 136648, 138272, 147808, 164198, 175522, 267902, 273296, 328396, 351044, 535804, 546592, 656792, 702088, 1071608, 1313584, 1404176, 2143216, 2545069, 2627168, 2808352, 4286432, 5090138, 10180276, 20360552, 40721104, 81442208]

約数ペア:

[(1, 81442208), (2, 40721104), (4, 20360552), (8, 10180276), (16, 5090138), (19, 4286432), (29, 2808352), (31, 2627168), (32, 2545069), (38, 2143216), (58, 1404176), (62, 1313584), (76, 1071608), (116, 702088), (124, 656792), (149, 546592), (152, 535804), (232, 351044), (248, 328396), (298, 273296), (304, 267902), (464, 175522), (496, 164198), (551, 147808), (589, 138272), (596, 136648), (608, 133951), (899, 90592), (928, 87761), (992, 82099), (1102, 73904), (1178, 69136), (1192, 68324), (1798, 45296), (2204, 36952), (2356, 34568), (2384, 34162), (2831, 28768), (3596, 22648), (4321, 18848), (4408, 18476), (4619, 17632), (4712, 17284), (4768, 17081), (5662, 14384), (7192, 11324), (8642, 9424), (8816, 9238)]