778865385

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{631}}^1$

素因数の和:790

約数の個数: 64

約数和(自身を含む): 1354199040

約数和(自身を除く): 575333655

約数列:

[1, 3, 5, 15, 19, 57, 61, 71, 95, 183, 213, 285, 305, 355, 631, 915, 1065, 1159, 1349, 1893, 3155, 3477, 4047, 4331, 5795, 6745, 9465, 11989, 12993, 17385, 20235, 21655, 35967, 38491, 44801, 59945, 64965, 82289, 115473, 134403, 179835, 192455, 224005, 246867, 411445, 577365, 672015, 731329, 851219, 1234335, 2193987, 2553657, 2732861, 3656645, 4256095, 8198583, 10969935, 12768285, 13664305, 40992915, 51924359, 155773077, 259621795, 778865385]

約数ペア:

[(1, 778865385), (3, 259621795), (5, 155773077), (15, 51924359), (19, 40992915), (57, 13664305), (61, 12768285), (71, 10969935), (95, 8198583), (183, 4256095), (213, 3656645), (285, 2732861), (305, 2553657), (355, 2193987), (631, 1234335), (915, 851219), (1065, 731329), (1159, 672015), (1349, 577365), (1893, 411445), (3155, 246867), (3477, 224005), (4047, 192455), (4331, 179835), (5795, 134403), (6745, 115473), (9465, 82289), (11989, 64965), (12993, 59945), (17385, 44801), (20235, 38491), (21655, 35967)]