78163428

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{307}}^1\times {\mathrm{433}}^1$

素因数の和:761

約数の個数: 72

約数和(自身を含む): 213340512

約数和(自身を除く): 135177084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 147, 196, 294, 307, 433, 588, 614, 866, 921, 1228, 1299, 1732, 1842, 2149, 2598, 3031, 3684, 4298, 5196, 6062, 6447, 8596, 9093, 12124, 12894, 15043, 18186, 21217, 25788, 30086, 36372, 42434, 45129, 60172, 63651, 84868, 90258, 127302, 132931, 180516, 254604, 265862, 398793, 531724, 797586, 930517, 1595172, 1861034, 2791551, 3722068, 5583102, 6513619, 11166204, 13027238, 19540857, 26054476, 39081714, 78163428]

約数ペア:

[(1, 78163428), (2, 39081714), (3, 26054476), (4, 19540857), (6, 13027238), (7, 11166204), (12, 6513619), (14, 5583102), (21, 3722068), (28, 2791551), (42, 1861034), (49, 1595172), (84, 930517), (98, 797586), (147, 531724), (196, 398793), (294, 265862), (307, 254604), (433, 180516), (588, 132931), (614, 127302), (866, 90258), (921, 84868), (1228, 63651), (1299, 60172), (1732, 45129), (1842, 42434), (2149, 36372), (2598, 30086), (3031, 25788), (3684, 21217), (4298, 18186), (5196, 15043), (6062, 12894), (6447, 12124), (8596, 9093)]