221142992

素因数分解:

$2^4\times 7^1\times {\mathrm{283}}^1\times {\mathrm{6977}}^1$

素因数の和:7275

約数の個数: 40

約数和(自身を含む): 491474496

約数和(自身を除く): 270331504

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 283, 566, 1132, 1981, 2264, 3962, 4528, 6977, 7924, 13954, 15848, 27908, 31696, 48839, 55816, 97678, 111632, 195356, 390712, 781424, 1974491, 3948982, 7897964, 13821437, 15795928, 27642874, 31591856, 55285748, 110571496, 221142992]

約数ペア:

[(1, 221142992), (2, 110571496), (4, 55285748), (7, 31591856), (8, 27642874), (14, 15795928), (16, 13821437), (28, 7897964), (56, 3948982), (112, 1974491), (283, 781424), (566, 390712), (1132, 195356), (1981, 111632), (2264, 97678), (3962, 55816), (4528, 48839), (6977, 31696), (7924, 27908), (13954, 15848)]