1639119885

素因数分解:

$3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{263}}^1\times {\mathrm{1031}}^1$

素因数の和:1346

約数の個数: 64

約数和(自身を含む): 2929360896

約数和(自身を除く): 1290241011

約数列:

[1, 3, 5, 13, 15, 31, 39, 65, 93, 155, 195, 263, 403, 465, 789, 1031, 1209, 1315, 2015, 3093, 3419, 3945, 5155, 6045, 8153, 10257, 13403, 15465, 17095, 24459, 31961, 40209, 40765, 51285, 67015, 95883, 105989, 122295, 159805, 201045, 271153, 317967, 415493, 479415, 529945, 813459, 1246479, 1355765, 1589835, 2077465, 3524989, 4067295, 6232395, 8405743, 10574967, 17624945, 25217229, 42028715, 52874835, 109274659, 126086145, 327823977, 546373295, 1639119885]

約数ペア:

[(1, 1639119885), (3, 546373295), (5, 327823977), (13, 126086145), (15, 109274659), (31, 52874835), (39, 42028715), (65, 25217229), (93, 17624945), (155, 10574967), (195, 8405743), (263, 6232395), (403, 4067295), (465, 3524989), (789, 2077465), (1031, 1589835), (1209, 1355765), (1315, 1246479), (2015, 813459), (3093, 529945), (3419, 479415), (3945, 415493), (5155, 317967), (6045, 271153), (8153, 201045), (10257, 159805), (13403, 122295), (15465, 105989), (17095, 95883), (24459, 67015), (31961, 51285), (40209, 40765)]