201641256

素因数分解:

$2^3\times 3^2\times {\mathrm{53}}^2\times {\mathrm{997}}^1$

素因数の和:1115

約数の個数: 72

約数和(自身を含む): 557168430

約数和(自身を除く): 355527174

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 53, 72, 106, 159, 212, 318, 424, 477, 636, 954, 997, 1272, 1908, 1994, 2809, 2991, 3816, 3988, 5618, 5982, 7976, 8427, 8973, 11236, 11964, 16854, 17946, 22472, 23928, 25281, 33708, 35892, 50562, 52841, 67416, 71784, 101124, 105682, 158523, 202248, 211364, 317046, 422728, 475569, 634092, 951138, 1268184, 1902276, 2800573, 3804552, 5601146, 8401719, 11202292, 16803438, 22404584, 25205157, 33606876, 50410314, 67213752, 100820628, 201641256]

約数ペア:

[(1, 201641256), (2, 100820628), (3, 67213752), (4, 50410314), (6, 33606876), (8, 25205157), (9, 22404584), (12, 16803438), (18, 11202292), (24, 8401719), (36, 5601146), (53, 3804552), (72, 2800573), (106, 1902276), (159, 1268184), (212, 951138), (318, 634092), (424, 475569), (477, 422728), (636, 317046), (954, 211364), (997, 202248), (1272, 158523), (1908, 105682), (1994, 101124), (2809, 71784), (2991, 67416), (3816, 52841), (3988, 50562), (5618, 35892), (5982, 33708), (7976, 25281), (8427, 23928), (8973, 22472), (11236, 17946), (11964, 16854)]