81603228

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{137}}^1\times {\mathrm{1013}}^1$

素因数の和:1171

約数の個数: 72

約数和(自身を含む): 223331472

約数和(自身を除く): 141728244

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 84, 98, 137, 147, 196, 274, 294, 411, 548, 588, 822, 959, 1013, 1644, 1918, 2026, 2877, 3039, 3836, 4052, 5754, 6078, 6713, 7091, 11508, 12156, 13426, 14182, 20139, 21273, 26852, 28364, 40278, 42546, 49637, 80556, 85092, 99274, 138781, 148911, 198548, 277562, 297822, 416343, 555124, 595644, 832686, 971467, 1665372, 1942934, 2914401, 3885868, 5828802, 6800269, 11657604, 13600538, 20400807, 27201076, 40801614, 81603228]

約数ペア:

[(1, 81603228), (2, 40801614), (3, 27201076), (4, 20400807), (6, 13600538), (7, 11657604), (12, 6800269), (14, 5828802), (21, 3885868), (28, 2914401), (42, 1942934), (49, 1665372), (84, 971467), (98, 832686), (137, 595644), (147, 555124), (196, 416343), (274, 297822), (294, 277562), (411, 198548), (548, 148911), (588, 138781), (822, 99274), (959, 85092), (1013, 80556), (1644, 49637), (1918, 42546), (2026, 40278), (2877, 28364), (3039, 26852), (3836, 21273), (4052, 20139), (5754, 14182), (6078, 13426), (6713, 12156), (7091, 11508)]