2008498765

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{787}}^1$

素因数の和:962

約数の個数: 64

約数和(自身を含む): 3050127360

約数和(自身を除く): 1041628595

約数列:

[1, 5, 7, 13, 35, 65, 71, 79, 91, 355, 395, 455, 497, 553, 787, 923, 1027, 2485, 2765, 3935, 4615, 5135, 5509, 5609, 6461, 7189, 10231, 27545, 28045, 32305, 35945, 39263, 51155, 55877, 62173, 71617, 72917, 196315, 279385, 310865, 358085, 364585, 391139, 435211, 510419, 726401, 808249, 1955695, 2176055, 2552095, 3632005, 4041245, 4414283, 5084807, 5657743, 22071415, 25424035, 28288715, 30899981, 57385679, 154499905, 286928395, 401699753, 2008498765]

約数ペア:

[(1, 2008498765), (5, 401699753), (7, 286928395), (13, 154499905), (35, 57385679), (65, 30899981), (71, 28288715), (79, 25424035), (91, 22071415), (355, 5657743), (395, 5084807), (455, 4414283), (497, 4041245), (553, 3632005), (787, 2552095), (923, 2176055), (1027, 1955695), (2485, 808249), (2765, 726401), (3935, 510419), (4615, 435211), (5135, 391139), (5509, 364585), (5609, 358085), (6461, 310865), (7189, 279385), (10231, 196315), (27545, 72917), (28045, 71617), (32305, 62173), (35945, 55877), (39263, 51155)]