71821218

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{37}}^1\times {\mathrm{113}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 64

約数和(自身を含む): 170507520

約数和(自身を除く): 98686302

約数列:

[1, 2, 3, 6, 7, 14, 21, 37, 42, 74, 111, 113, 222, 226, 259, 339, 409, 518, 678, 777, 791, 818, 1227, 1554, 1582, 2373, 2454, 2863, 4181, 4746, 5726, 8362, 8589, 12543, 15133, 17178, 25086, 29267, 30266, 45399, 46217, 58534, 87801, 90798, 92434, 105931, 138651, 175602, 211862, 277302, 317793, 323519, 635586, 647038, 970557, 1710029, 1941114, 3420058, 5130087, 10260174, 11970203, 23940406, 35910609, 71821218]

約数ペア:

[(1, 71821218), (2, 35910609), (3, 23940406), (6, 11970203), (7, 10260174), (14, 5130087), (21, 3420058), (37, 1941114), (42, 1710029), (74, 970557), (111, 647038), (113, 635586), (222, 323519), (226, 317793), (259, 277302), (339, 211862), (409, 175602), (518, 138651), (678, 105931), (777, 92434), (791, 90798), (818, 87801), (1227, 58534), (1554, 46217), (1582, 45399), (2373, 30266), (2454, 29267), (2863, 25086), (4181, 17178), (4746, 15133), (5726, 12543), (8362, 8589)]