199988255536

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{991}}^1\times {\mathrm{237977}}^1$

素因数の和:239029

約数の個数: 40

約数和(自身を含む): 395188170624

約数和(自身を除く): 195199915088

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 991, 1982, 3964, 7928, 15856, 52523, 105046, 210092, 237977, 420184, 475954, 840368, 951908, 1903816, 3807632, 12612781, 25225562, 50451124, 100902248, 201804496, 235835207, 471670414, 943340828, 1886681656, 3773363312, 12499265971, 24998531942, 49997063884, 99994127768, 199988255536]

約数ペア:

[(1, 199988255536), (2, 99994127768), (4, 49997063884), (8, 24998531942), (16, 12499265971), (53, 3773363312), (106, 1886681656), (212, 943340828), (424, 471670414), (848, 235835207), (991, 201804496), (1982, 100902248), (3964, 50451124), (7928, 25225562), (15856, 12612781), (52523, 3807632), (105046, 1903816), (210092, 951908), (237977, 840368), (420184, 475954)]