81558396

素因数分解:

$2^2\times 3^2\times {\mathrm{31}}^1\times {\mathrm{107}}^1\times {\mathrm{683}}^1$

素因数の和:831

約数の個数: 72

約数和(自身を含む): 215115264

約数和(自身を除く): 133556868

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 31, 36, 62, 93, 107, 124, 186, 214, 279, 321, 372, 428, 558, 642, 683, 963, 1116, 1284, 1366, 1926, 2049, 2732, 3317, 3852, 4098, 6147, 6634, 8196, 9951, 12294, 13268, 19902, 21173, 24588, 29853, 39804, 42346, 59706, 63519, 73081, 84692, 119412, 127038, 146162, 190557, 219243, 254076, 292324, 381114, 438486, 657729, 762228, 876972, 1315458, 2265511, 2630916, 4531022, 6796533, 9062044, 13593066, 20389599, 27186132, 40779198, 81558396]

約数ペア:

[(1, 81558396), (2, 40779198), (3, 27186132), (4, 20389599), (6, 13593066), (9, 9062044), (12, 6796533), (18, 4531022), (31, 2630916), (36, 2265511), (62, 1315458), (93, 876972), (107, 762228), (124, 657729), (186, 438486), (214, 381114), (279, 292324), (321, 254076), (372, 219243), (428, 190557), (558, 146162), (642, 127038), (683, 119412), (963, 84692), (1116, 73081), (1284, 63519), (1366, 59706), (1926, 42346), (2049, 39804), (2732, 29853), (3317, 24588), (3852, 21173), (4098, 19902), (6147, 13268), (6634, 12294), (8196, 9951)]