215197630

素因数分解:

$2^1\times 5^1\times {\mathrm{61}}^1\times {\mathrm{131}}^1\times {\mathrm{2693}}^1$

素因数の和:2892

約数の個数: 32

約数和(自身を含む): 396858528

約数和(自身を除く): 181660898

約数列:

[1, 2, 5, 10, 61, 122, 131, 262, 305, 610, 655, 1310, 2693, 5386, 7991, 13465, 15982, 26930, 39955, 79910, 164273, 328546, 352783, 705566, 821365, 1642730, 1763915, 3527830, 21519763, 43039526, 107598815, 215197630]

約数ペア:

[(1, 215197630), (2, 107598815), (5, 43039526), (10, 21519763), (61, 3527830), (122, 1763915), (131, 1642730), (262, 821365), (305, 705566), (610, 352783), (655, 328546), (1310, 164273), (2693, 79910), (5386, 39955), (7991, 26930), (13465, 15982)]