28016835

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{191}}^1$

素因数の和:344

約数の個数: 64

約数和(自身を含む): 56623104

約数和(自身を除く): 28606269

約数列:

[1, 3, 5, 7, 11, 15, 21, 33, 35, 55, 77, 105, 127, 165, 191, 231, 381, 385, 573, 635, 889, 955, 1155, 1337, 1397, 1905, 2101, 2667, 2865, 4011, 4191, 4445, 6303, 6685, 6985, 9779, 10505, 13335, 14707, 20055, 20955, 24257, 29337, 31515, 44121, 48895, 72771, 73535, 121285, 146685, 169799, 220605, 266827, 363855, 509397, 800481, 848995, 1334135, 1867789, 2546985, 4002405, 5603367, 9338945, 28016835]

約数ペア:

[(1, 28016835), (3, 9338945), (5, 5603367), (7, 4002405), (11, 2546985), (15, 1867789), (21, 1334135), (33, 848995), (35, 800481), (55, 509397), (77, 363855), (105, 266827), (127, 220605), (165, 169799), (191, 146685), (231, 121285), (381, 73535), (385, 72771), (573, 48895), (635, 44121), (889, 31515), (955, 29337), (1155, 24257), (1337, 20955), (1397, 20055), (1905, 14707), (2101, 13335), (2667, 10505), (2865, 9779), (4011, 6985), (4191, 6685), (4445, 6303)]