64819265

素因数分解:

$5^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{83}}^1\times {\mathrm{421}}^1$

素因数の和:569

約数の個数: 32

約数和(自身を含む): 91881216

約数和(自身を除く): 27061951

約数列:

[1, 5, 7, 35, 53, 83, 265, 371, 415, 421, 581, 1855, 2105, 2905, 2947, 4399, 14735, 21995, 22313, 30793, 34943, 111565, 153965, 156191, 174715, 244601, 780955, 1223005, 1851979, 9259895, 12963853, 64819265]

約数ペア:

[(1, 64819265), (5, 12963853), (7, 9259895), (35, 1851979), (53, 1223005), (83, 780955), (265, 244601), (371, 174715), (415, 156191), (421, 153965), (581, 111565), (1855, 34943), (2105, 30793), (2905, 22313), (2947, 21995), (4399, 14735)]