90690256

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{307}}^1\times {\mathrm{499}}^1$

素因数の和:851

約数の個数: 40

約数和(自身を含む): 181412000

約数和(自身を除く): 90721744

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 307, 499, 592, 614, 998, 1228, 1996, 2456, 3992, 4912, 7984, 11359, 18463, 22718, 36926, 45436, 73852, 90872, 147704, 153193, 181744, 295408, 306386, 612772, 1225544, 2451088, 5668141, 11336282, 22672564, 45345128, 90690256]

約数ペア:

[(1, 90690256), (2, 45345128), (4, 22672564), (8, 11336282), (16, 5668141), (37, 2451088), (74, 1225544), (148, 612772), (296, 306386), (307, 295408), (499, 181744), (592, 153193), (614, 147704), (998, 90872), (1228, 73852), (1996, 45436), (2456, 36926), (3992, 22718), (4912, 18463), (7984, 11359)]