207920916

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{311}}^1\times {\mathrm{379}}^1$

素因数の和:714

約数の個数: 108

約数和(自身を含む): 614970720

約数和(自身を除く): 407049804

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 49, 63, 84, 98, 126, 147, 196, 252, 294, 311, 379, 441, 588, 622, 758, 882, 933, 1137, 1244, 1516, 1764, 1866, 2177, 2274, 2653, 2799, 3411, 3732, 4354, 4548, 5306, 5598, 6531, 6822, 7959, 8708, 10612, 11196, 13062, 13644, 15239, 15918, 18571, 19593, 23877, 26124, 30478, 31836, 37142, 39186, 45717, 47754, 55713, 60956, 74284, 78372, 91434, 95508, 111426, 117869, 137151, 167139, 182868, 222852, 235738, 274302, 334278, 353607, 471476, 548604, 668556, 707214, 825083, 1060821, 1414428, 1650166, 2121642, 2475249, 3300332, 4243284, 4950498, 5775581, 7425747, 9900996, 11551162, 14851494, 17326743, 23102324, 29702988, 34653486, 51980229, 69306972, 103960458, 207920916]

約数ペア:

[(1, 207920916), (2, 103960458), (3, 69306972), (4, 51980229), (6, 34653486), (7, 29702988), (9, 23102324), (12, 17326743), (14, 14851494), (18, 11551162), (21, 9900996), (28, 7425747), (36, 5775581), (42, 4950498), (49, 4243284), (63, 3300332), (84, 2475249), (98, 2121642), (126, 1650166), (147, 1414428), (196, 1060821), (252, 825083), (294, 707214), (311, 668556), (379, 548604), (441, 471476), (588, 353607), (622, 334278), (758, 274302), (882, 235738), (933, 222852), (1137, 182868), (1244, 167139), (1516, 137151), (1764, 117869), (1866, 111426), (2177, 95508), (2274, 91434), (2653, 78372), (2799, 74284), (3411, 60956), (3732, 55713), (4354, 47754), (4548, 45717), (5306, 39186), (5598, 37142), (6531, 31836), (6822, 30478), (7959, 26124), (8708, 23877), (10612, 19593), (11196, 18571), (13062, 15918), (13644, 15239)]