78638464

素因数分解:

$2^7\times {\mathrm{17}}^1\times {\mathrm{71}}^1\times {\mathrm{509}}^1$

素因数の和:611

約数の個数: 64

約数和(自身を含む): 168544800

約数和(自身を除く): 89906336

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 71, 128, 136, 142, 272, 284, 509, 544, 568, 1018, 1088, 1136, 1207, 2036, 2176, 2272, 2414, 4072, 4544, 4828, 8144, 8653, 9088, 9656, 16288, 17306, 19312, 32576, 34612, 36139, 38624, 65152, 69224, 72278, 77248, 138448, 144556, 154496, 276896, 289112, 553792, 578224, 614363, 1107584, 1156448, 1228726, 2312896, 2457452, 4625792, 4914904, 9829808, 19659616, 39319232, 78638464]

約数ペア:

[(1, 78638464), (2, 39319232), (4, 19659616), (8, 9829808), (16, 4914904), (17, 4625792), (32, 2457452), (34, 2312896), (64, 1228726), (68, 1156448), (71, 1107584), (128, 614363), (136, 578224), (142, 553792), (272, 289112), (284, 276896), (509, 154496), (544, 144556), (568, 138448), (1018, 77248), (1088, 72278), (1136, 69224), (1207, 65152), (2036, 38624), (2176, 36139), (2272, 34612), (2414, 32576), (4072, 19312), (4544, 17306), (4828, 16288), (8144, 9656), (8653, 9088)]