39111212

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1$

素因数の和:247

約数の個数: 72

約数和(自身を含む): 84728448

約数和(自身を除く): 45617236

約数列:

[1, 2, 4, 7, 14, 28, 31, 41, 49, 62, 82, 98, 124, 157, 164, 196, 217, 287, 314, 434, 574, 628, 868, 1099, 1148, 1271, 1519, 2009, 2198, 2542, 3038, 4018, 4396, 4867, 5084, 6076, 6437, 7693, 8036, 8897, 9734, 12874, 15386, 17794, 19468, 25748, 30772, 34069, 35588, 45059, 62279, 68138, 90118, 124558, 136276, 180236, 199547, 238483, 249116, 315413, 399094, 476966, 630826, 798188, 953932, 1261652, 1396829, 2793658, 5587316, 9777803, 19555606, 39111212]

約数ペア:

[(1, 39111212), (2, 19555606), (4, 9777803), (7, 5587316), (14, 2793658), (28, 1396829), (31, 1261652), (41, 953932), (49, 798188), (62, 630826), (82, 476966), (98, 399094), (124, 315413), (157, 249116), (164, 238483), (196, 199547), (217, 180236), (287, 136276), (314, 124558), (434, 90118), (574, 68138), (628, 62279), (868, 45059), (1099, 35588), (1148, 34069), (1271, 30772), (1519, 25748), (2009, 19468), (2198, 17794), (2542, 15386), (3038, 12874), (4018, 9734), (4396, 8897), (4867, 8036), (5084, 7693), (6076, 6437)]