90802218

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{431}}^1$

素因数の和:559

約数の個数: 64

約数和(自身を含む): 204083712

約数和(自身を除く): 113281494

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 73, 74, 78, 111, 146, 219, 222, 431, 438, 481, 862, 949, 962, 1293, 1443, 1898, 2586, 2701, 2847, 2886, 5402, 5603, 5694, 8103, 11206, 15947, 16206, 16809, 31463, 31894, 33618, 35113, 47841, 62926, 70226, 94389, 95682, 105339, 188778, 207311, 210678, 409019, 414622, 621933, 818038, 1164131, 1227057, 1243866, 2328262, 2454114, 3492393, 6984786, 15133703, 30267406, 45401109, 90802218]

約数ペア:

[(1, 90802218), (2, 45401109), (3, 30267406), (6, 15133703), (13, 6984786), (26, 3492393), (37, 2454114), (39, 2328262), (73, 1243866), (74, 1227057), (78, 1164131), (111, 818038), (146, 621933), (219, 414622), (222, 409019), (431, 210678), (438, 207311), (481, 188778), (862, 105339), (949, 95682), (962, 94389), (1293, 70226), (1443, 62926), (1898, 47841), (2586, 35113), (2701, 33618), (2847, 31894), (2886, 31463), (5402, 16809), (5603, 16206), (5694, 15947), (8103, 11206)]