64651626

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^2\times {\mathrm{53}}^1\times {\mathrm{401}}^1$

素因数の和:488

約数の個数: 72

約数和(自身を含む): 154929996

約数和(自身を除く): 90278370

約数列:

[1, 2, 3, 6, 9, 13, 18, 26, 39, 53, 78, 106, 117, 159, 169, 234, 318, 338, 401, 477, 507, 689, 802, 954, 1014, 1203, 1378, 1521, 2067, 2406, 3042, 3609, 4134, 5213, 6201, 7218, 8957, 10426, 12402, 15639, 17914, 21253, 26871, 31278, 42506, 46917, 53742, 63759, 67769, 80613, 93834, 127518, 135538, 161226, 191277, 203307, 276289, 382554, 406614, 552578, 609921, 828867, 1219842, 1657734, 2486601, 3591757, 4973202, 7183514, 10775271, 21550542, 32325813, 64651626]

約数ペア:

[(1, 64651626), (2, 32325813), (3, 21550542), (6, 10775271), (9, 7183514), (13, 4973202), (18, 3591757), (26, 2486601), (39, 1657734), (53, 1219842), (78, 828867), (106, 609921), (117, 552578), (159, 406614), (169, 382554), (234, 276289), (318, 203307), (338, 191277), (401, 161226), (477, 135538), (507, 127518), (689, 93834), (802, 80613), (954, 67769), (1014, 63759), (1203, 53742), (1378, 46917), (1521, 42506), (2067, 31278), (2406, 26871), (3042, 21253), (3609, 17914), (4134, 15639), (5213, 12402), (6201, 10426), (7218, 8957)]