1900981628

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^2\times {\mathrm{31}}^1\times {\mathrm{12959}}^1$

素因数の和:13027

約数の個数: 72

約数和(自身を含む): 4250050560

約数和(自身を除く): 2349068932

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 31, 52, 62, 91, 124, 169, 182, 217, 338, 364, 403, 434, 676, 806, 868, 1183, 1612, 2366, 2821, 4732, 5239, 5642, 10478, 11284, 12959, 20956, 25918, 36673, 51836, 73346, 90713, 146692, 168467, 181426, 336934, 362852, 401729, 673868, 803458, 1179269, 1606916, 2190071, 2358538, 2812103, 4380142, 4717076, 5222477, 5624206, 8760284, 10444954, 11248412, 15330497, 20889908, 30660994, 36557339, 61321988, 67892201, 73114678, 135784402, 146229356, 271568804, 475245407, 950490814, 1900981628]

約数ペア:

[(1, 1900981628), (2, 950490814), (4, 475245407), (7, 271568804), (13, 146229356), (14, 135784402), (26, 73114678), (28, 67892201), (31, 61321988), (52, 36557339), (62, 30660994), (91, 20889908), (124, 15330497), (169, 11248412), (182, 10444954), (217, 8760284), (338, 5624206), (364, 5222477), (403, 4717076), (434, 4380142), (676, 2812103), (806, 2358538), (868, 2190071), (1183, 1606916), (1612, 1179269), (2366, 803458), (2821, 673868), (4732, 401729), (5239, 362852), (5642, 336934), (10478, 181426), (11284, 168467), (12959, 146692), (20956, 90713), (25918, 73346), (36673, 51836)]