3971396

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 48

約数和(自身を含む): 8382528

約数和(自身を除く): 4411132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 53, 106, 131, 143, 212, 262, 286, 524, 572, 583, 689, 1166, 1378, 1441, 1703, 2332, 2756, 2882, 3406, 5764, 6812, 6943, 7579, 13886, 15158, 18733, 27772, 30316, 37466, 74932, 76373, 90259, 152746, 180518, 305492, 361036, 992849, 1985698, 3971396]

約数ペア:

[(1, 3971396), (2, 1985698), (4, 992849), (11, 361036), (13, 305492), (22, 180518), (26, 152746), (44, 90259), (52, 76373), (53, 74932), (106, 37466), (131, 30316), (143, 27772), (212, 18733), (262, 15158), (286, 13886), (524, 7579), (572, 6943), (583, 6812), (689, 5764), (1166, 3406), (1378, 2882), (1441, 2756), (1703, 2332)]