72145990

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{33247}}^1$

素因数の和:33292

約数の個数: 32

約数和(自身を含む): 153206784

約数和(自身を除く): 81060794

約数列:

[1, 2, 5, 7, 10, 14, 31, 35, 62, 70, 155, 217, 310, 434, 1085, 2170, 33247, 66494, 166235, 232729, 332470, 465458, 1030657, 1163645, 2061314, 2327290, 5153285, 7214599, 10306570, 14429198, 36072995, 72145990]

約数ペア:

[(1, 72145990), (2, 36072995), (5, 14429198), (7, 10306570), (10, 7214599), (14, 5153285), (31, 2327290), (35, 2061314), (62, 1163645), (70, 1030657), (155, 465458), (217, 332470), (310, 232729), (434, 166235), (1085, 66494), (2170, 33247)]