81242048

素因数分解:

$2^6\times {\mathrm{17}}^1\times {\mathrm{89}}^1\times {\mathrm{839}}^1$

素因数の和:957

約数の個数: 56

約数和(自身を含む): 172821600

約数和(自身を除く): 91579552

約数列:

[1, 2, 4, 8, 16, 17, 32, 34, 64, 68, 89, 136, 178, 272, 356, 544, 712, 839, 1088, 1424, 1513, 1678, 2848, 3026, 3356, 5696, 6052, 6712, 12104, 13424, 14263, 24208, 26848, 28526, 48416, 53696, 57052, 74671, 96832, 114104, 149342, 228208, 298684, 456416, 597368, 912832, 1194736, 1269407, 2389472, 2538814, 4778944, 5077628, 10155256, 20310512, 40621024, 81242048]

約数ペア:

[(1, 81242048), (2, 40621024), (4, 20310512), (8, 10155256), (16, 5077628), (17, 4778944), (32, 2538814), (34, 2389472), (64, 1269407), (68, 1194736), (89, 912832), (136, 597368), (178, 456416), (272, 298684), (356, 228208), (544, 149342), (712, 114104), (839, 96832), (1088, 74671), (1424, 57052), (1513, 53696), (1678, 48416), (2848, 28526), (3026, 26848), (3356, 24208), (5696, 14263), (6052, 13424), (6712, 12104)]