42405972

素因数分解:

$2^2\times 3^1\times 7^2\times {\mathrm{41}}^1\times {\mathrm{1759}}^1$

素因数の和:1821

約数の個数: 72

約数和(自身を含む): 117976320

約数和(自身を除く): 75570348

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 41, 42, 49, 82, 84, 98, 123, 147, 164, 196, 246, 287, 294, 492, 574, 588, 861, 1148, 1722, 1759, 2009, 3444, 3518, 4018, 5277, 6027, 7036, 8036, 10554, 12054, 12313, 21108, 24108, 24626, 36939, 49252, 72119, 73878, 86191, 144238, 147756, 172382, 216357, 258573, 288476, 344764, 432714, 504833, 517146, 865428, 1009666, 1034292, 1514499, 2019332, 3028998, 3533831, 6057996, 7067662, 10601493, 14135324, 21202986, 42405972]

約数ペア:

[(1, 42405972), (2, 21202986), (3, 14135324), (4, 10601493), (6, 7067662), (7, 6057996), (12, 3533831), (14, 3028998), (21, 2019332), (28, 1514499), (41, 1034292), (42, 1009666), (49, 865428), (82, 517146), (84, 504833), (98, 432714), (123, 344764), (147, 288476), (164, 258573), (196, 216357), (246, 172382), (287, 147756), (294, 144238), (492, 86191), (574, 73878), (588, 72119), (861, 49252), (1148, 36939), (1722, 24626), (1759, 24108), (2009, 21108), (3444, 12313), (3518, 12054), (4018, 10554), (5277, 8036), (6027, 7036)]