128216248

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{37}}^1\times {\mathrm{89}}^1\times {\mathrm{157}}^1$

素因数の和:320

約数の個数: 64

約数和(自身を含む): 259372800

約数和(自身を除く): 131156552

約数列:

[1, 2, 4, 8, 31, 37, 62, 74, 89, 124, 148, 157, 178, 248, 296, 314, 356, 628, 712, 1147, 1256, 2294, 2759, 3293, 4588, 4867, 5518, 5809, 6586, 9176, 9734, 11036, 11618, 13172, 13973, 19468, 22072, 23236, 26344, 27946, 38936, 46472, 55892, 102083, 111784, 180079, 204166, 360158, 408332, 433163, 517001, 720316, 816664, 866326, 1034002, 1440632, 1732652, 2068004, 3465304, 4136008, 16027031, 32054062, 64108124, 128216248]

約数ペア:

[(1, 128216248), (2, 64108124), (4, 32054062), (8, 16027031), (31, 4136008), (37, 3465304), (62, 2068004), (74, 1732652), (89, 1440632), (124, 1034002), (148, 866326), (157, 816664), (178, 720316), (248, 517001), (296, 433163), (314, 408332), (356, 360158), (628, 204166), (712, 180079), (1147, 111784), (1256, 102083), (2294, 55892), (2759, 46472), (3293, 38936), (4588, 27946), (4867, 26344), (5518, 23236), (5809, 22072), (6586, 19468), (9176, 13973), (9734, 13172), (11036, 11618)]