16778830

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{229}}^1\times {\mathrm{431}}^1$

素因数の和:684

約数の個数: 32

約数和(自身を含む): 32192640

約数和(自身を除く): 15413810

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 229, 431, 458, 862, 1145, 2155, 2290, 3893, 4310, 7327, 7786, 14654, 19465, 36635, 38930, 73270, 98699, 197398, 493495, 986990, 1677883, 3355766, 8389415, 16778830]

約数ペア:

[(1, 16778830), (2, 8389415), (5, 3355766), (10, 1677883), (17, 986990), (34, 493495), (85, 197398), (170, 98699), (229, 73270), (431, 38930), (458, 36635), (862, 19465), (1145, 14654), (2155, 7786), (2290, 7327), (3893, 4310)]