639634554

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{6991}}^1$

素因数の和:7052

約数の個数: 96

約数和(自身を含む): 1649217024

約数和(自身を除く): 1009582470

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 23, 26, 34, 39, 46, 51, 69, 78, 102, 117, 138, 153, 207, 221, 234, 299, 306, 391, 414, 442, 598, 663, 782, 897, 1173, 1326, 1794, 1989, 2346, 2691, 3519, 3978, 5083, 5382, 6991, 7038, 10166, 13982, 15249, 20973, 30498, 41946, 45747, 62919, 90883, 91494, 118847, 125838, 160793, 181766, 237694, 272649, 321586, 356541, 482379, 545298, 713082, 817947, 964758, 1069623, 1447137, 1545011, 1635894, 2090309, 2139246, 2733481, 2894274, 3090022, 4180618, 4635033, 5466962, 6270927, 8200443, 9270066, 12541854, 13905099, 16400886, 18812781, 24601329, 27810198, 35535253, 37625562, 49202658, 71070506, 106605759, 213211518, 319817277, 639634554]

約数ペア:

[(1, 639634554), (2, 319817277), (3, 213211518), (6, 106605759), (9, 71070506), (13, 49202658), (17, 37625562), (18, 35535253), (23, 27810198), (26, 24601329), (34, 18812781), (39, 16400886), (46, 13905099), (51, 12541854), (69, 9270066), (78, 8200443), (102, 6270927), (117, 5466962), (138, 4635033), (153, 4180618), (207, 3090022), (221, 2894274), (234, 2733481), (299, 2139246), (306, 2090309), (391, 1635894), (414, 1545011), (442, 1447137), (598, 1069623), (663, 964758), (782, 817947), (897, 713082), (1173, 545298), (1326, 482379), (1794, 356541), (1989, 321586), (2346, 272649), (2691, 237694), (3519, 181766), (3978, 160793), (5083, 125838), (5382, 118847), (6991, 91494), (7038, 90883), (10166, 62919), (13982, 45747), (15249, 41946), (20973, 30498)]