28765088

素因数分解:

$2^5\times {\mathrm{11}}^2\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1$

素因数の和:91

約数の個数: 144

約数和(自身を含む): 72394560

約数和(自身を除く): 43629472

約数列:

[1, 2, 4, 8, 11, 16, 17, 19, 22, 23, 32, 34, 38, 44, 46, 68, 76, 88, 92, 121, 136, 152, 176, 184, 187, 209, 242, 253, 272, 304, 323, 352, 368, 374, 391, 418, 437, 484, 506, 544, 608, 646, 736, 748, 782, 836, 874, 968, 1012, 1292, 1496, 1564, 1672, 1748, 1936, 2024, 2057, 2299, 2584, 2783, 2992, 3128, 3344, 3496, 3553, 3872, 4048, 4114, 4301, 4598, 4807, 5168, 5566, 5984, 6256, 6688, 6992, 7106, 7429, 8096, 8228, 8602, 9196, 9614, 10336, 11132, 12512, 13984, 14212, 14858, 16456, 17204, 18392, 19228, 22264, 28424, 29716, 32912, 34408, 36784, 38456, 39083, 44528, 47311, 52877, 56848, 59432, 65824, 68816, 73568, 76912, 78166, 81719, 89056, 94622, 105754, 113696, 118864, 137632, 153824, 156332, 163438, 189244, 211508, 237728, 312664, 326876, 378488, 423016, 625328, 653752, 756976, 846032, 898909, 1250656, 1307504, 1513952, 1692064, 1797818, 2615008, 3595636, 7191272, 14382544, 28765088]

約数ペア:

[(1, 28765088), (2, 14382544), (4, 7191272), (8, 3595636), (11, 2615008), (16, 1797818), (17, 1692064), (19, 1513952), (22, 1307504), (23, 1250656), (32, 898909), (34, 846032), (38, 756976), (44, 653752), (46, 625328), (68, 423016), (76, 378488), (88, 326876), (92, 312664), (121, 237728), (136, 211508), (152, 189244), (176, 163438), (184, 156332), (187, 153824), (209, 137632), (242, 118864), (253, 113696), (272, 105754), (304, 94622), (323, 89056), (352, 81719), (368, 78166), (374, 76912), (391, 73568), (418, 68816), (437, 65824), (484, 59432), (506, 56848), (544, 52877), (608, 47311), (646, 44528), (736, 39083), (748, 38456), (782, 36784), (836, 34408), (874, 32912), (968, 29716), (1012, 28424), (1292, 22264), (1496, 19228), (1564, 18392), (1672, 17204), (1748, 16456), (1936, 14858), (2024, 14212), (2057, 13984), (2299, 12512), (2584, 11132), (2783, 10336), (2992, 9614), (3128, 9196), (3344, 8602), (3496, 8228), (3553, 8096), (3872, 7429), (4048, 7106), (4114, 6992), (4301, 6688), (4598, 6256), (4807, 5984), (5168, 5566)]