28287082012

素因数分解:

$2^2\times 7^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1\times {\mathrm{16417}}^1$

素因数の和:16643

約数の個数: 72

約数和(自身を含む): 58957038000

約数和(自身を除く): 30669955988

約数列:

[1, 2, 4, 7, 14, 28, 49, 59, 98, 118, 149, 196, 236, 298, 413, 596, 826, 1043, 1652, 2086, 2891, 4172, 5782, 7301, 8791, 11564, 14602, 16417, 17582, 29204, 32834, 35164, 61537, 65668, 114919, 123074, 229838, 246148, 430759, 459676, 804433, 861518, 968603, 1608866, 1723036, 1937206, 2446133, 3217732, 3874412, 4892266, 6780221, 9784532, 13560442, 17122931, 27120884, 34245862, 47461547, 68491724, 94923094, 119860517, 144321847, 189846188, 239721034, 288643694, 479442068, 577287388, 1010252929, 2020505858, 4041011716, 7071770503, 14143541006, 28287082012]

約数ペア:

[(1, 28287082012), (2, 14143541006), (4, 7071770503), (7, 4041011716), (14, 2020505858), (28, 1010252929), (49, 577287388), (59, 479442068), (98, 288643694), (118, 239721034), (149, 189846188), (196, 144321847), (236, 119860517), (298, 94923094), (413, 68491724), (596, 47461547), (826, 34245862), (1043, 27120884), (1652, 17122931), (2086, 13560442), (2891, 9784532), (4172, 6780221), (5782, 4892266), (7301, 3874412), (8791, 3217732), (11564, 2446133), (14602, 1937206), (16417, 1723036), (17582, 1608866), (29204, 968603), (32834, 861518), (35164, 804433), (61537, 459676), (65668, 430759), (114919, 246148), (123074, 229838)]