778880072

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{113}}^1\times {\mathrm{137}}^1\times {\mathrm{331}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 1566907200

約数和(自身を除く): 788027128

約数列:

[1, 2, 4, 8, 19, 38, 76, 113, 137, 152, 226, 274, 331, 452, 548, 662, 904, 1096, 1324, 2147, 2603, 2648, 4294, 5206, 6289, 8588, 10412, 12578, 15481, 17176, 20824, 25156, 30962, 37403, 45347, 50312, 61924, 74806, 90694, 123848, 149612, 181388, 294139, 299224, 362776, 588278, 710657, 861593, 1176556, 1421314, 1723186, 2353112, 2842628, 3446372, 5124211, 5685256, 6892744, 10248422, 20496844, 40993688, 97360009, 194720018, 389440036, 778880072]

約数ペア:

[(1, 778880072), (2, 389440036), (4, 194720018), (8, 97360009), (19, 40993688), (38, 20496844), (76, 10248422), (113, 6892744), (137, 5685256), (152, 5124211), (226, 3446372), (274, 2842628), (331, 2353112), (452, 1723186), (548, 1421314), (662, 1176556), (904, 861593), (1096, 710657), (1324, 588278), (2147, 362776), (2603, 299224), (2648, 294139), (4294, 181388), (5206, 149612), (6289, 123848), (8588, 90694), (10412, 74806), (12578, 61924), (15481, 50312), (17176, 45347), (20824, 37403), (25156, 30962)]