211996528

素因数分解:

$2^4\times {\mathrm{17}}^2\times {\mathrm{19}}^2\times {\mathrm{127}}^1$

素因数の和:207

約数の個数: 90

約数和(自身を含む): 464125056

約数和(自身を除く): 252128528

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 127, 136, 152, 254, 272, 289, 304, 323, 361, 508, 578, 646, 722, 1016, 1156, 1292, 1444, 2032, 2159, 2312, 2413, 2584, 2888, 4318, 4624, 4826, 5168, 5491, 5776, 6137, 8636, 9652, 10982, 12274, 17272, 19304, 21964, 24548, 34544, 36703, 38608, 41021, 43928, 45847, 49096, 73406, 82042, 87856, 91694, 98192, 104329, 146812, 164084, 183388, 208658, 293624, 328168, 366776, 417316, 587248, 656336, 697357, 733552, 779399, 834632, 1394714, 1558798, 1669264, 2789428, 3117596, 5578856, 6235192, 11157712, 12470384, 13249783, 26499566, 52999132, 105998264, 211996528]

約数ペア:

[(1, 211996528), (2, 105998264), (4, 52999132), (8, 26499566), (16, 13249783), (17, 12470384), (19, 11157712), (34, 6235192), (38, 5578856), (68, 3117596), (76, 2789428), (127, 1669264), (136, 1558798), (152, 1394714), (254, 834632), (272, 779399), (289, 733552), (304, 697357), (323, 656336), (361, 587248), (508, 417316), (578, 366776), (646, 328168), (722, 293624), (1016, 208658), (1156, 183388), (1292, 164084), (1444, 146812), (2032, 104329), (2159, 98192), (2312, 91694), (2413, 87856), (2584, 82042), (2888, 73406), (4318, 49096), (4624, 45847), (4826, 43928), (5168, 41021), (5491, 38608), (5776, 36703), (6137, 34544), (8636, 24548), (9652, 21964), (10982, 19304), (12274, 17272)]