81227784

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^2\times {\mathrm{83}}^1\times {\mathrm{337}}^1$

素因数の和:451

約数の個数: 96

約数和(自身を含む): 226568160

約数和(自身を除く): 145340376

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 66, 83, 88, 121, 132, 166, 242, 249, 264, 332, 337, 363, 484, 498, 664, 674, 726, 913, 968, 996, 1011, 1348, 1452, 1826, 1992, 2022, 2696, 2739, 2904, 3652, 3707, 4044, 5478, 7304, 7414, 8088, 10043, 10956, 11121, 14828, 20086, 21912, 22242, 27971, 29656, 30129, 40172, 40777, 44484, 55942, 60258, 80344, 81554, 83913, 88968, 111884, 120516, 122331, 163108, 167826, 223768, 241032, 244662, 307681, 326216, 335652, 489324, 615362, 671304, 923043, 978648, 1230724, 1846086, 2461448, 3384491, 3692172, 6768982, 7384344, 10153473, 13537964, 20306946, 27075928, 40613892, 81227784]

約数ペア:

[(1, 81227784), (2, 40613892), (3, 27075928), (4, 20306946), (6, 13537964), (8, 10153473), (11, 7384344), (12, 6768982), (22, 3692172), (24, 3384491), (33, 2461448), (44, 1846086), (66, 1230724), (83, 978648), (88, 923043), (121, 671304), (132, 615362), (166, 489324), (242, 335652), (249, 326216), (264, 307681), (332, 244662), (337, 241032), (363, 223768), (484, 167826), (498, 163108), (664, 122331), (674, 120516), (726, 111884), (913, 88968), (968, 83913), (996, 81554), (1011, 80344), (1348, 60258), (1452, 55942), (1826, 44484), (1992, 40777), (2022, 40172), (2696, 30129), (2739, 29656), (2904, 27971), (3652, 22242), (3707, 21912), (4044, 20086), (5478, 14828), (7304, 11121), (7414, 10956), (8088, 10043)]