1978565576

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{613699}}^1$

素因数の和:613749

約数の個数: 32

約数和(自身を含む): 4124064000

約数和(自身を除く): 2145498424

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 104, 124, 248, 403, 806, 1612, 3224, 613699, 1227398, 2454796, 4909592, 7978087, 15956174, 19024669, 31912348, 38049338, 63824696, 76098676, 152197352, 247320697, 494641394, 989282788, 1978565576]

約数ペア:

[(1, 1978565576), (2, 989282788), (4, 494641394), (8, 247320697), (13, 152197352), (26, 76098676), (31, 63824696), (52, 38049338), (62, 31912348), (104, 19024669), (124, 15956174), (248, 7978087), (403, 4909592), (806, 2454796), (1612, 1227398), (3224, 613699)]