721888804

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{48371}}^1$

素因数の和:48436

約数の個数: 48

約数和(自身を含む): 1592793216

約数和(自身を除く): 870904412

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 41, 52, 82, 91, 164, 182, 287, 364, 533, 574, 1066, 1148, 2132, 3731, 7462, 14924, 48371, 96742, 193484, 338597, 628823, 677194, 1257646, 1354388, 1983211, 2515292, 3966422, 4401761, 7932844, 8803522, 13882477, 17607044, 25781743, 27764954, 51563486, 55529908, 103126972, 180472201, 360944402, 721888804]

約数ペア:

[(1, 721888804), (2, 360944402), (4, 180472201), (7, 103126972), (13, 55529908), (14, 51563486), (26, 27764954), (28, 25781743), (41, 17607044), (52, 13882477), (82, 8803522), (91, 7932844), (164, 4401761), (182, 3966422), (287, 2515292), (364, 1983211), (533, 1354388), (574, 1257646), (1066, 677194), (1148, 628823), (2132, 338597), (3731, 193484), (7462, 96742), (14924, 48371)]