1640473996

素因数分解:

$2^2\times 7^1\times {\mathrm{31}}^1\times {\mathrm{59}}^1\times {\mathrm{103}}^1\times {\mathrm{311}}^1$

素因数の和:515

約数の個数: 96

約数和(自身を含む): 3488808960

約数和(自身を除く): 1848334964

約数列:

[1, 2, 4, 7, 14, 28, 31, 59, 62, 103, 118, 124, 206, 217, 236, 311, 412, 413, 434, 622, 721, 826, 868, 1244, 1442, 1652, 1829, 2177, 2884, 3193, 3658, 4354, 6077, 6386, 7316, 8708, 9641, 12154, 12772, 12803, 18349, 19282, 22351, 24308, 25606, 32033, 36698, 38564, 42539, 44702, 51212, 64066, 67487, 73396, 85078, 89404, 128132, 128443, 134974, 170156, 188387, 224231, 256886, 269948, 376774, 448462, 513772, 568819, 753548, 896924, 993023, 1137638, 1318709, 1889947, 1986046, 2275276, 2637418, 3779894, 3972092, 3981733, 5274836, 6951161, 7559788, 7963466, 13229629, 13902322, 15926932, 26459258, 27804644, 52918516, 58588357, 117176714, 234353428, 410118499, 820236998, 1640473996]

約数ペア:

[(1, 1640473996), (2, 820236998), (4, 410118499), (7, 234353428), (14, 117176714), (28, 58588357), (31, 52918516), (59, 27804644), (62, 26459258), (103, 15926932), (118, 13902322), (124, 13229629), (206, 7963466), (217, 7559788), (236, 6951161), (311, 5274836), (412, 3981733), (413, 3972092), (434, 3779894), (622, 2637418), (721, 2275276), (826, 1986046), (868, 1889947), (1244, 1318709), (1442, 1137638), (1652, 993023), (1829, 896924), (2177, 753548), (2884, 568819), (3193, 513772), (3658, 448462), (4354, 376774), (6077, 269948), (6386, 256886), (7316, 224231), (8708, 188387), (9641, 170156), (12154, 134974), (12772, 128443), (12803, 128132), (18349, 89404), (19282, 85078), (22351, 73396), (24308, 67487), (25606, 64066), (32033, 51212), (36698, 44702), (38564, 42539)]