647331390

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{117911}}^1$

素因数の和:117985

約数の個数: 48

約数和(自身を含む): 1710667296

約数和(自身を除く): 1063335906

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 61, 90, 122, 183, 305, 366, 549, 610, 915, 1098, 1830, 2745, 5490, 117911, 235822, 353733, 589555, 707466, 1061199, 1179110, 1768665, 2122398, 3537330, 5305995, 7192571, 10611990, 14385142, 21577713, 35962855, 43155426, 64733139, 71925710, 107888565, 129466278, 215777130, 323665695, 647331390]

約数ペア:

[(1, 647331390), (2, 323665695), (3, 215777130), (5, 129466278), (6, 107888565), (9, 71925710), (10, 64733139), (15, 43155426), (18, 35962855), (30, 21577713), (45, 14385142), (61, 10611990), (90, 7192571), (122, 5305995), (183, 3537330), (305, 2122398), (366, 1768665), (549, 1179110), (610, 1061199), (915, 707466), (1098, 589555), (1830, 353733), (2745, 235822), (5490, 117911)]