208040704

素因数分解:

$2^8\times {\mathrm{23}}^1\times {\mathrm{89}}^1\times {\mathrm{397}}^1$

素因数の和:525

約数の個数: 72

約数和(自身を含む): 439296480

約数和(自身を除く): 231255776

約数列:

[1, 2, 4, 8, 16, 23, 32, 46, 64, 89, 92, 128, 178, 184, 256, 356, 368, 397, 712, 736, 794, 1424, 1472, 1588, 2047, 2848, 2944, 3176, 4094, 5696, 5888, 6352, 8188, 9131, 11392, 12704, 16376, 18262, 22784, 25408, 32752, 35333, 36524, 50816, 65504, 70666, 73048, 101632, 131008, 141332, 146096, 262016, 282664, 292192, 524032, 565328, 584384, 812659, 1130656, 1168768, 1625318, 2261312, 2337536, 3250636, 4522624, 6501272, 9045248, 13002544, 26005088, 52010176, 104020352, 208040704]

約数ペア:

[(1, 208040704), (2, 104020352), (4, 52010176), (8, 26005088), (16, 13002544), (23, 9045248), (32, 6501272), (46, 4522624), (64, 3250636), (89, 2337536), (92, 2261312), (128, 1625318), (178, 1168768), (184, 1130656), (256, 812659), (356, 584384), (368, 565328), (397, 524032), (712, 292192), (736, 282664), (794, 262016), (1424, 146096), (1472, 141332), (1588, 131008), (2047, 101632), (2848, 73048), (2944, 70666), (3176, 65504), (4094, 50816), (5696, 36524), (5888, 35333), (6352, 32752), (8188, 25408), (9131, 22784), (11392, 18262), (12704, 16376)]