81456456

素因数分解:

$2^3\times 3^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1\times {\mathrm{283}}^1$

素因数の和:538

約数の個数: 64

約数和(自身を含む): 208569600

約数和(自身を除く): 127113144

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 67, 134, 179, 201, 268, 283, 358, 402, 536, 537, 566, 716, 804, 849, 1074, 1132, 1432, 1608, 1698, 2148, 2264, 3396, 4296, 6792, 11993, 18961, 23986, 35979, 37922, 47972, 50657, 56883, 71958, 75844, 95944, 101314, 113766, 143916, 151688, 151971, 202628, 227532, 287832, 303942, 405256, 455064, 607884, 1215768, 3394019, 6788038, 10182057, 13576076, 20364114, 27152152, 40728228, 81456456]

約数ペア:

[(1, 81456456), (2, 40728228), (3, 27152152), (4, 20364114), (6, 13576076), (8, 10182057), (12, 6788038), (24, 3394019), (67, 1215768), (134, 607884), (179, 455064), (201, 405256), (268, 303942), (283, 287832), (358, 227532), (402, 202628), (536, 151971), (537, 151688), (566, 143916), (716, 113766), (804, 101314), (849, 95944), (1074, 75844), (1132, 71958), (1432, 56883), (1608, 50657), (1698, 47972), (2148, 37922), (2264, 35979), (3396, 23986), (4296, 18961), (6792, 11993)]