398575744

素因数分解:

$2^7\times 7^1\times {\mathrm{17}}^1\times {\mathrm{137}}^1\times {\mathrm{191}}^1$

素因数の和:366

約数の個数: 128

約数和(自身を含む): 972933120

約数和(自身を除く): 574357376

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 32, 34, 56, 64, 68, 112, 119, 128, 136, 137, 191, 224, 238, 272, 274, 382, 448, 476, 544, 548, 764, 896, 952, 959, 1088, 1096, 1337, 1528, 1904, 1918, 2176, 2192, 2329, 2674, 3056, 3247, 3808, 3836, 4384, 4658, 5348, 6112, 6494, 7616, 7672, 8768, 9316, 10696, 12224, 12988, 15232, 15344, 16303, 17536, 18632, 21392, 22729, 24448, 25976, 26167, 30688, 32606, 37264, 42784, 45458, 51952, 52334, 61376, 65212, 74528, 85568, 90916, 103904, 104668, 122752, 130424, 149056, 171136, 181832, 183169, 207808, 209336, 260848, 298112, 363664, 366338, 415616, 418672, 444839, 521696, 727328, 732676, 837344, 889678, 1043392, 1454656, 1465352, 1674688, 1779356, 2086784, 2909312, 2930704, 3113873, 3349376, 3558712, 5861408, 6227746, 7117424, 11722816, 12455492, 14234848, 23445632, 24910984, 28469696, 49821968, 56939392, 99643936, 199287872, 398575744]

約数ペア:

[(1, 398575744), (2, 199287872), (4, 99643936), (7, 56939392), (8, 49821968), (14, 28469696), (16, 24910984), (17, 23445632), (28, 14234848), (32, 12455492), (34, 11722816), (56, 7117424), (64, 6227746), (68, 5861408), (112, 3558712), (119, 3349376), (128, 3113873), (136, 2930704), (137, 2909312), (191, 2086784), (224, 1779356), (238, 1674688), (272, 1465352), (274, 1454656), (382, 1043392), (448, 889678), (476, 837344), (544, 732676), (548, 727328), (764, 521696), (896, 444839), (952, 418672), (959, 415616), (1088, 366338), (1096, 363664), (1337, 298112), (1528, 260848), (1904, 209336), (1918, 207808), (2176, 183169), (2192, 181832), (2329, 171136), (2674, 149056), (3056, 130424), (3247, 122752), (3808, 104668), (3836, 103904), (4384, 90916), (4658, 85568), (5348, 74528), (6112, 65212), (6494, 61376), (7616, 52334), (7672, 51952), (8768, 45458), (9316, 42784), (10696, 37264), (12224, 32606), (12988, 30688), (15232, 26167), (15344, 25976), (16303, 24448), (17536, 22729), (18632, 21392)]