61815754

素因数分解:

$2^1\times 7^2\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{401}}^1$

素因数の和:452

約数の個数: 72

約数和(自身を含む): 127997604

約数和(自身を除く): 66181850

約数列:

[1, 2, 7, 11, 13, 14, 22, 26, 49, 77, 91, 98, 121, 143, 154, 182, 242, 286, 401, 539, 637, 802, 847, 1001, 1078, 1274, 1573, 1694, 2002, 2807, 3146, 4411, 5213, 5614, 5929, 7007, 8822, 10426, 11011, 11858, 14014, 19649, 22022, 30877, 36491, 39298, 48521, 57343, 61754, 72982, 77077, 97042, 114686, 154154, 216139, 255437, 339647, 401401, 432278, 510874, 630773, 679294, 802802, 1261546, 2377529, 2809807, 4415411, 4755058, 5619614, 8830822, 30907877, 61815754]

約数ペア:

[(1, 61815754), (2, 30907877), (7, 8830822), (11, 5619614), (13, 4755058), (14, 4415411), (22, 2809807), (26, 2377529), (49, 1261546), (77, 802802), (91, 679294), (98, 630773), (121, 510874), (143, 432278), (154, 401401), (182, 339647), (242, 255437), (286, 216139), (401, 154154), (539, 114686), (637, 97042), (802, 77077), (847, 72982), (1001, 61754), (1078, 57343), (1274, 48521), (1573, 39298), (1694, 36491), (2002, 30877), (2807, 22022), (3146, 19649), (4411, 14014), (5213, 11858), (5614, 11011), (5929, 10426), (7007, 8822)]