90149836

素因数分解:

$2^2\times 7^1\times {\mathrm{71}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:550

約数の個数: 48

約数和(自身を含む): 184730112

約数和(自身を除く): 94580276

約数列:

[1, 2, 4, 7, 14, 28, 71, 137, 142, 274, 284, 331, 497, 548, 662, 959, 994, 1324, 1918, 1988, 2317, 3836, 4634, 9268, 9727, 19454, 23501, 38908, 45347, 47002, 68089, 90694, 94004, 136178, 164507, 181388, 272356, 317429, 329014, 634858, 658028, 1269716, 3219637, 6439274, 12878548, 22537459, 45074918, 90149836]

約数ペア:

[(1, 90149836), (2, 45074918), (4, 22537459), (7, 12878548), (14, 6439274), (28, 3219637), (71, 1269716), (137, 658028), (142, 634858), (274, 329014), (284, 317429), (331, 272356), (497, 181388), (548, 164507), (662, 136178), (959, 94004), (994, 90694), (1324, 68089), (1918, 47002), (1988, 45347), (2317, 38908), (3836, 23501), (4634, 19454), (9268, 9727)]