68780912

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{13309}}^1$

素因数の和:13353

約数の個数: 40

約数和(自身を含む): 148539600

約数和(自身を除く): 79758688

約数列:

[1, 2, 4, 8, 16, 17, 19, 34, 38, 68, 76, 136, 152, 272, 304, 323, 646, 1292, 2584, 5168, 13309, 26618, 53236, 106472, 212944, 226253, 252871, 452506, 505742, 905012, 1011484, 1810024, 2022968, 3620048, 4045936, 4298807, 8597614, 17195228, 34390456, 68780912]

約数ペア:

[(1, 68780912), (2, 34390456), (4, 17195228), (8, 8597614), (16, 4298807), (17, 4045936), (19, 3620048), (34, 2022968), (38, 1810024), (68, 1011484), (76, 905012), (136, 505742), (152, 452506), (272, 252871), (304, 226253), (323, 212944), (646, 106472), (1292, 53236), (2584, 26618), (5168, 13309)]