1986404732

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{20201}}^1$

素因数の和:20310

約数の個数: 48

約数和(自身を含む): 3927915264

約数和(自身を除く): 1941510532

約数列:

[1, 2, 4, 13, 26, 31, 52, 61, 62, 122, 124, 244, 403, 793, 806, 1586, 1612, 1891, 3172, 3782, 7564, 20201, 24583, 40402, 49166, 80804, 98332, 262613, 525226, 626231, 1050452, 1232261, 1252462, 2464522, 2504924, 4929044, 8141003, 16019393, 16282006, 32038786, 32564012, 38200091, 64077572, 76400182, 152800364, 496601183, 993202366, 1986404732]

約数ペア:

[(1, 1986404732), (2, 993202366), (4, 496601183), (13, 152800364), (26, 76400182), (31, 64077572), (52, 38200091), (61, 32564012), (62, 32038786), (122, 16282006), (124, 16019393), (244, 8141003), (403, 4929044), (793, 2504924), (806, 2464522), (1586, 1252462), (1612, 1232261), (1891, 1050452), (3172, 626231), (3782, 525226), (7564, 262613), (20201, 98332), (24583, 80804), (40402, 49166)]