81697648

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{9689}}^1$

素因数の和:9745

約数の個数: 40

約数和(自身を含む): 173024640

約数和(自身を除く): 91326992

約数列:

[1, 2, 4, 8, 16, 17, 31, 34, 62, 68, 124, 136, 248, 272, 496, 527, 1054, 2108, 4216, 8432, 9689, 19378, 38756, 77512, 155024, 164713, 300359, 329426, 600718, 658852, 1201436, 1317704, 2402872, 2635408, 4805744, 5106103, 10212206, 20424412, 40848824, 81697648]

約数ペア:

[(1, 81697648), (2, 40848824), (4, 20424412), (8, 10212206), (16, 5106103), (17, 4805744), (31, 2635408), (34, 2402872), (62, 1317704), (68, 1201436), (124, 658852), (136, 600718), (248, 329426), (272, 300359), (496, 164713), (527, 155024), (1054, 77512), (2108, 38756), (4216, 19378), (8432, 9689)]