31905484

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{751}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 64852480

約数和(自身を除く): 32946996

約数列:

[1, 2, 4, 13, 19, 26, 38, 43, 52, 76, 86, 172, 247, 494, 559, 751, 817, 988, 1118, 1502, 1634, 2236, 3004, 3268, 9763, 10621, 14269, 19526, 21242, 28538, 32293, 39052, 42484, 57076, 64586, 129172, 185497, 370994, 419809, 613567, 741988, 839618, 1227134, 1679236, 2454268, 7976371, 15952742, 31905484]

約数ペア:

[(1, 31905484), (2, 15952742), (4, 7976371), (13, 2454268), (19, 1679236), (26, 1227134), (38, 839618), (43, 741988), (52, 613567), (76, 419809), (86, 370994), (172, 185497), (247, 129172), (494, 64586), (559, 57076), (751, 42484), (817, 39052), (988, 32293), (1118, 28538), (1502, 21242), (1634, 19526), (2236, 14269), (3004, 10621), (3268, 9763)]