81808998

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{53}}^1\times {\mathrm{409}}^1$

素因数の和:521

約数の個数: 64

約数和(自身を含む): 181725120

約数和(自身を除く): 99916122

約数列:

[1, 2, 3, 6, 17, 34, 37, 51, 53, 74, 102, 106, 111, 159, 222, 318, 409, 629, 818, 901, 1227, 1258, 1802, 1887, 1961, 2454, 2703, 3774, 3922, 5406, 5883, 6953, 11766, 13906, 15133, 20859, 21677, 30266, 33337, 41718, 43354, 45399, 65031, 66674, 90798, 100011, 130062, 200022, 257261, 368509, 514522, 737018, 771783, 802049, 1105527, 1543566, 1604098, 2211054, 2406147, 4812294, 13634833, 27269666, 40904499, 81808998]

約数ペア:

[(1, 81808998), (2, 40904499), (3, 27269666), (6, 13634833), (17, 4812294), (34, 2406147), (37, 2211054), (51, 1604098), (53, 1543566), (74, 1105527), (102, 802049), (106, 771783), (111, 737018), (159, 514522), (222, 368509), (318, 257261), (409, 200022), (629, 130062), (818, 100011), (901, 90798), (1227, 66674), (1258, 65031), (1802, 45399), (1887, 43354), (1961, 41718), (2454, 33337), (2703, 30266), (3774, 21677), (3922, 20859), (5406, 15133), (5883, 13906), (6953, 11766)]