71017648

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{421}}^1\times {\mathrm{811}}^1$

素因数の和:1253

約数の個数: 40

約数和(自身を含む): 148716176

約数和(自身を除く): 77698528

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 421, 811, 842, 1622, 1684, 3244, 3368, 5473, 6488, 6736, 10543, 10946, 12976, 21086, 21892, 42172, 43784, 84344, 87568, 168688, 341431, 682862, 1365724, 2731448, 4438603, 5462896, 8877206, 17754412, 35508824, 71017648]

約数ペア:

[(1, 71017648), (2, 35508824), (4, 17754412), (8, 8877206), (13, 5462896), (16, 4438603), (26, 2731448), (52, 1365724), (104, 682862), (208, 341431), (421, 168688), (811, 87568), (842, 84344), (1622, 43784), (1684, 42172), (3244, 21892), (3368, 21086), (5473, 12976), (6488, 10946), (6736, 10543)]