161986812

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{3593}}^1$

素因数の和:3647

約数の個数: 72

約数和(自身を含む): 432516336

約数和(自身を除く): 270529524

約数列:

[1, 2, 3, 4, 6, 12, 13, 17, 26, 34, 39, 51, 52, 68, 78, 102, 156, 204, 221, 289, 442, 578, 663, 867, 884, 1156, 1326, 1734, 2652, 3468, 3593, 3757, 7186, 7514, 10779, 11271, 14372, 15028, 21558, 22542, 43116, 45084, 46709, 61081, 93418, 122162, 140127, 183243, 186836, 244324, 280254, 366486, 560508, 732972, 794053, 1038377, 1588106, 2076754, 2382159, 3115131, 3176212, 4153508, 4764318, 6230262, 9528636, 12460524, 13498901, 26997802, 40496703, 53995604, 80993406, 161986812]

約数ペア:

[(1, 161986812), (2, 80993406), (3, 53995604), (4, 40496703), (6, 26997802), (12, 13498901), (13, 12460524), (17, 9528636), (26, 6230262), (34, 4764318), (39, 4153508), (51, 3176212), (52, 3115131), (68, 2382159), (78, 2076754), (102, 1588106), (156, 1038377), (204, 794053), (221, 732972), (289, 560508), (442, 366486), (578, 280254), (663, 244324), (867, 186836), (884, 183243), (1156, 140127), (1326, 122162), (1734, 93418), (2652, 61081), (3468, 46709), (3593, 45084), (3757, 43116), (7186, 22542), (7514, 21558), (10779, 15028), (11271, 14372)]