219890216

素因数分解:

$2^3\times 7^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{139}}^1$

素因数の和:259

約数の個数: 128

約数和(自身を含む): 533433600

約数和(自身を除く): 313543384

約数列:

[1, 2, 4, 7, 8, 13, 14, 26, 28, 41, 52, 53, 56, 82, 91, 104, 106, 139, 164, 182, 212, 278, 287, 328, 364, 371, 424, 533, 556, 574, 689, 728, 742, 973, 1066, 1112, 1148, 1378, 1484, 1807, 1946, 2132, 2173, 2296, 2756, 2968, 3614, 3731, 3892, 4264, 4346, 4823, 5512, 5699, 7228, 7367, 7462, 7784, 8692, 9646, 11398, 12649, 14456, 14734, 14924, 15211, 17384, 19292, 22796, 25298, 28249, 29468, 29848, 30422, 38584, 39893, 45592, 50596, 51569, 56498, 58936, 60844, 74087, 79786, 95771, 101192, 103138, 112996, 121688, 148174, 159572, 191542, 197743, 206276, 225992, 296348, 302047, 319144, 383084, 395486, 412552, 518609, 592696, 604094, 670397, 766168, 790972, 1037218, 1208188, 1340794, 1581944, 2074436, 2114329, 2416376, 2681588, 3926611, 4148872, 4228658, 5363176, 7853222, 8457316, 15706444, 16914632, 27486277, 31412888, 54972554, 109945108, 219890216]

約数ペア:

[(1, 219890216), (2, 109945108), (4, 54972554), (7, 31412888), (8, 27486277), (13, 16914632), (14, 15706444), (26, 8457316), (28, 7853222), (41, 5363176), (52, 4228658), (53, 4148872), (56, 3926611), (82, 2681588), (91, 2416376), (104, 2114329), (106, 2074436), (139, 1581944), (164, 1340794), (182, 1208188), (212, 1037218), (278, 790972), (287, 766168), (328, 670397), (364, 604094), (371, 592696), (424, 518609), (533, 412552), (556, 395486), (574, 383084), (689, 319144), (728, 302047), (742, 296348), (973, 225992), (1066, 206276), (1112, 197743), (1148, 191542), (1378, 159572), (1484, 148174), (1807, 121688), (1946, 112996), (2132, 103138), (2173, 101192), (2296, 95771), (2756, 79786), (2968, 74087), (3614, 60844), (3731, 58936), (3892, 56498), (4264, 51569), (4346, 50596), (4823, 45592), (5512, 39893), (5699, 38584), (7228, 30422), (7367, 29848), (7462, 29468), (7784, 28249), (8692, 25298), (9646, 22796), (11398, 19292), (12649, 17384), (14456, 15211), (14734, 14924)]