81453876

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{83}}^1\times {\mathrm{1669}}^1$

素因数の和:1773

約数の個数: 72

約数和(自身を含む): 223886880

約数和(自身を除く): 142433004

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 49, 83, 84, 98, 147, 166, 196, 249, 294, 332, 498, 581, 588, 996, 1162, 1669, 1743, 2324, 3338, 3486, 4067, 5007, 6676, 6972, 8134, 10014, 11683, 12201, 16268, 20028, 23366, 24402, 35049, 46732, 48804, 70098, 81781, 138527, 140196, 163562, 245343, 277054, 327124, 415581, 490686, 554108, 831162, 969689, 981372, 1662324, 1939378, 2909067, 3878756, 5818134, 6787823, 11636268, 13575646, 20363469, 27151292, 40726938, 81453876]

約数ペア:

[(1, 81453876), (2, 40726938), (3, 27151292), (4, 20363469), (6, 13575646), (7, 11636268), (12, 6787823), (14, 5818134), (21, 3878756), (28, 2909067), (42, 1939378), (49, 1662324), (83, 981372), (84, 969689), (98, 831162), (147, 554108), (166, 490686), (196, 415581), (249, 327124), (294, 277054), (332, 245343), (498, 163562), (581, 140196), (588, 138527), (996, 81781), (1162, 70098), (1669, 48804), (1743, 46732), (2324, 35049), (3338, 24402), (3486, 23366), (4067, 20028), (5007, 16268), (6676, 12201), (6972, 11683), (8134, 10014)]