81983024

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{4421}}^1$

素因数の和:4509

約数の個数: 40

約数和(自身を含む): 169981680

約数和(自身を除く): 87998656

約数列:

[1, 2, 4, 8, 16, 19, 38, 61, 76, 122, 152, 244, 304, 488, 976, 1159, 2318, 4421, 4636, 8842, 9272, 17684, 18544, 35368, 70736, 83999, 167998, 269681, 335996, 539362, 671992, 1078724, 1343984, 2157448, 4314896, 5123939, 10247878, 20495756, 40991512, 81983024]

約数ペア:

[(1, 81983024), (2, 40991512), (4, 20495756), (8, 10247878), (16, 5123939), (19, 4314896), (38, 2157448), (61, 1343984), (76, 1078724), (122, 671992), (152, 539362), (244, 335996), (304, 269681), (488, 167998), (976, 83999), (1159, 70736), (2318, 35368), (4421, 18544), (4636, 17684), (8842, 9272)]