128971472

素因数分解:

$2^4\times 7^1\times {\mathrm{53}}^1\times {\mathrm{21727}}^1$

素因数の和:21795

約数の個数: 40

約数和(自身を含む): 290981376

約数和(自身を除く): 162009904

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 53, 56, 106, 112, 212, 371, 424, 742, 848, 1484, 2968, 5936, 21727, 43454, 86908, 152089, 173816, 304178, 347632, 608356, 1151531, 1216712, 2303062, 2433424, 4606124, 8060717, 9212248, 16121434, 18424496, 32242868, 64485736, 128971472]

約数ペア:

[(1, 128971472), (2, 64485736), (4, 32242868), (7, 18424496), (8, 16121434), (14, 9212248), (16, 8060717), (28, 4606124), (53, 2433424), (56, 2303062), (106, 1216712), (112, 1151531), (212, 608356), (371, 347632), (424, 304178), (742, 173816), (848, 152089), (1484, 86908), (2968, 43454), (5936, 21727)]