261911328

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{389749}}^1$

素因数の和:389769

約数の個数: 48

約数和(自身を含む): 785736000

約数和(自身を除く): 523824672

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672, 389749, 779498, 1169247, 1558996, 2338494, 2728243, 3117992, 4676988, 5456486, 6235984, 8184729, 9353976, 10912972, 12471968, 16369458, 18707952, 21825944, 32738916, 37415904, 43651888, 65477832, 87303776, 130955664, 261911328]

約数ペア:

[(1, 261911328), (2, 130955664), (3, 87303776), (4, 65477832), (6, 43651888), (7, 37415904), (8, 32738916), (12, 21825944), (14, 18707952), (16, 16369458), (21, 12471968), (24, 10912972), (28, 9353976), (32, 8184729), (42, 6235984), (48, 5456486), (56, 4676988), (84, 3117992), (96, 2728243), (112, 2338494), (168, 1558996), (224, 1169247), (336, 779498), (672, 389749)]