128319198

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{401}}^2$

素因数の和:833

約数の個数: 48

約数和(自身を含む): 309509760

約数和(自身を除く): 181190562

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 114, 133, 266, 399, 401, 798, 802, 1203, 2406, 2807, 5614, 7619, 8421, 15238, 16842, 22857, 45714, 53333, 106666, 159999, 160801, 319998, 321602, 482403, 964806, 1125607, 2251214, 3055219, 3376821, 6110438, 6753642, 9165657, 18331314, 21386533, 42773066, 64159599, 128319198]

約数ペア:

[(1, 128319198), (2, 64159599), (3, 42773066), (6, 21386533), (7, 18331314), (14, 9165657), (19, 6753642), (21, 6110438), (38, 3376821), (42, 3055219), (57, 2251214), (114, 1125607), (133, 964806), (266, 482403), (399, 321602), (401, 319998), (798, 160801), (802, 159999), (1203, 106666), (2406, 53333), (2807, 45714), (5614, 22857), (7619, 16842), (8421, 15238)]