211039816

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{977}}^1$

素因数の和:1094

約数の個数: 64

約数和(自身を含む): 446906880

約数和(自身を除く): 235867064

約数列:

[1, 2, 4, 8, 13, 26, 31, 52, 62, 67, 104, 124, 134, 248, 268, 403, 536, 806, 871, 977, 1612, 1742, 1954, 2077, 3224, 3484, 3908, 4154, 6968, 7816, 8308, 12701, 16616, 25402, 27001, 30287, 50804, 54002, 60574, 65459, 101608, 108004, 121148, 130918, 216008, 242296, 261836, 393731, 523672, 787462, 850967, 1574924, 1701934, 2029229, 3149848, 3403868, 4058458, 6807736, 8116916, 16233832, 26379977, 52759954, 105519908, 211039816]

約数ペア:

[(1, 211039816), (2, 105519908), (4, 52759954), (8, 26379977), (13, 16233832), (26, 8116916), (31, 6807736), (52, 4058458), (62, 3403868), (67, 3149848), (104, 2029229), (124, 1701934), (134, 1574924), (248, 850967), (268, 787462), (403, 523672), (536, 393731), (806, 261836), (871, 242296), (977, 216008), (1612, 130918), (1742, 121148), (1954, 108004), (2077, 101608), (3224, 65459), (3484, 60574), (3908, 54002), (4154, 50804), (6968, 30287), (7816, 27001), (8308, 25402), (12701, 16616)]