78840424

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2347}}^1$

素因数の和:2402

約数の個数: 64

約数和(自身を含む): 177508800

約数和(自身を除く): 98668376

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 104, 136, 152, 221, 247, 323, 442, 494, 646, 884, 988, 1292, 1768, 1976, 2347, 2584, 4199, 4694, 8398, 9388, 16796, 18776, 30511, 33592, 39899, 44593, 61022, 79798, 89186, 122044, 159596, 178372, 244088, 319192, 356744, 518687, 579709, 758081, 1037374, 1159418, 1516162, 2074748, 2318836, 3032324, 4149496, 4637672, 6064648, 9855053, 19710106, 39420212, 78840424]

約数ペア:

[(1, 78840424), (2, 39420212), (4, 19710106), (8, 9855053), (13, 6064648), (17, 4637672), (19, 4149496), (26, 3032324), (34, 2318836), (38, 2074748), (52, 1516162), (68, 1159418), (76, 1037374), (104, 758081), (136, 579709), (152, 518687), (221, 356744), (247, 319192), (323, 244088), (442, 178372), (494, 159596), (646, 122044), (884, 89186), (988, 79798), (1292, 61022), (1768, 44593), (1976, 39899), (2347, 33592), (2584, 30511), (4199, 18776), (4694, 16796), (8398, 9388)]