91781872

素因数分解:

$2^4\times 7^1\times {\mathrm{13}}^3\times {\mathrm{373}}^1$

素因数の和:427

約数の個数: 80

約数和(自身を含む): 220749760

約数和(自身を除く): 128967888

約数列:

[1, 2, 4, 7, 8, 13, 14, 16, 26, 28, 52, 56, 91, 104, 112, 169, 182, 208, 338, 364, 373, 676, 728, 746, 1183, 1352, 1456, 1492, 2197, 2366, 2611, 2704, 2984, 4394, 4732, 4849, 5222, 5968, 8788, 9464, 9698, 10444, 15379, 17576, 18928, 19396, 20888, 30758, 33943, 35152, 38792, 41776, 61516, 63037, 67886, 77584, 123032, 126074, 135772, 246064, 252148, 271544, 441259, 504296, 543088, 819481, 882518, 1008592, 1638962, 1765036, 3277924, 3530072, 5736367, 6555848, 7060144, 11472734, 13111696, 22945468, 45890936, 91781872]

約数ペア:

[(1, 91781872), (2, 45890936), (4, 22945468), (7, 13111696), (8, 11472734), (13, 7060144), (14, 6555848), (16, 5736367), (26, 3530072), (28, 3277924), (52, 1765036), (56, 1638962), (91, 1008592), (104, 882518), (112, 819481), (169, 543088), (182, 504296), (208, 441259), (338, 271544), (364, 252148), (373, 246064), (676, 135772), (728, 126074), (746, 123032), (1183, 77584), (1352, 67886), (1456, 63037), (1492, 61516), (2197, 41776), (2366, 38792), (2611, 35152), (2704, 33943), (2984, 30758), (4394, 20888), (4732, 19396), (4849, 18928), (5222, 17576), (5968, 15379), (8788, 10444), (9464, 9698)]