2001120654

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{661}}^1\times {\mathrm{1049}}^1$

素因数の和:1765

約数の個数: 64

約数和(自身を含む): 4437518400

約数和(自身を除く): 2436397746

約数列:

[1, 2, 3, 6, 13, 26, 37, 39, 74, 78, 111, 222, 481, 661, 962, 1049, 1322, 1443, 1983, 2098, 2886, 3147, 3966, 6294, 8593, 13637, 17186, 24457, 25779, 27274, 38813, 40911, 48914, 51558, 73371, 77626, 81822, 116439, 146742, 232878, 317941, 504569, 635882, 693389, 953823, 1009138, 1386778, 1513707, 1907646, 2080167, 3027414, 4160334, 9014057, 18028114, 25655393, 27042171, 51310786, 54084342, 76966179, 153932358, 333520109, 667040218, 1000560327, 2001120654]

約数ペア:

[(1, 2001120654), (2, 1000560327), (3, 667040218), (6, 333520109), (13, 153932358), (26, 76966179), (37, 54084342), (39, 51310786), (74, 27042171), (78, 25655393), (111, 18028114), (222, 9014057), (481, 4160334), (661, 3027414), (962, 2080167), (1049, 1907646), (1322, 1513707), (1443, 1386778), (1983, 1009138), (2098, 953823), (2886, 693389), (3147, 635882), (3966, 504569), (6294, 317941), (8593, 232878), (13637, 146742), (17186, 116439), (24457, 81822), (25779, 77626), (27274, 73371), (38813, 51558), (40911, 48914)]