78900808

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{1237}}^1$

素因数の和:1334

約数の個数: 64

約数和(自身を含む): 181837440

約数和(自身を除く): 102936632

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 67, 68, 119, 134, 136, 238, 268, 469, 476, 536, 938, 952, 1139, 1237, 1876, 2278, 2474, 3752, 4556, 4948, 7973, 8659, 9112, 9896, 15946, 17318, 21029, 31892, 34636, 42058, 63784, 69272, 82879, 84116, 147203, 165758, 168232, 294406, 331516, 580153, 588812, 663032, 1160306, 1177624, 1408943, 2320612, 2817886, 4641224, 5635772, 9862601, 11271544, 19725202, 39450404, 78900808]

約数ペア:

[(1, 78900808), (2, 39450404), (4, 19725202), (7, 11271544), (8, 9862601), (14, 5635772), (17, 4641224), (28, 2817886), (34, 2320612), (56, 1408943), (67, 1177624), (68, 1160306), (119, 663032), (134, 588812), (136, 580153), (238, 331516), (268, 294406), (469, 168232), (476, 165758), (536, 147203), (938, 84116), (952, 82879), (1139, 69272), (1237, 63784), (1876, 42058), (2278, 34636), (2474, 31892), (3752, 21029), (4556, 17318), (4948, 15946), (7973, 9896), (8659, 9112)]