28278448

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{73}}^1$

素因数の和:194

約数の個数: 80

約数和(自身を含む): 63424512

約数和(自身を除く): 35146064

約数列:

[1, 2, 4, 8, 11, 16, 22, 31, 44, 62, 71, 73, 88, 124, 142, 146, 176, 248, 284, 292, 341, 496, 568, 584, 682, 781, 803, 1136, 1168, 1364, 1562, 1606, 2201, 2263, 2728, 3124, 3212, 4402, 4526, 5183, 5456, 6248, 6424, 8804, 9052, 10366, 12496, 12848, 17608, 18104, 20732, 24211, 24893, 35216, 36208, 41464, 48422, 49786, 57013, 82928, 96844, 99572, 114026, 160673, 193688, 199144, 228052, 321346, 387376, 398288, 456104, 642692, 912208, 1285384, 1767403, 2570768, 3534806, 7069612, 14139224, 28278448]

約数ペア:

[(1, 28278448), (2, 14139224), (4, 7069612), (8, 3534806), (11, 2570768), (16, 1767403), (22, 1285384), (31, 912208), (44, 642692), (62, 456104), (71, 398288), (73, 387376), (88, 321346), (124, 228052), (142, 199144), (146, 193688), (176, 160673), (248, 114026), (284, 99572), (292, 96844), (341, 82928), (496, 57013), (568, 49786), (584, 48422), (682, 41464), (781, 36208), (803, 35216), (1136, 24893), (1168, 24211), (1364, 20732), (1562, 18104), (1606, 17608), (2201, 12848), (2263, 12496), (2728, 10366), (3124, 9052), (3212, 8804), (4402, 6424), (4526, 6248), (5183, 5456)]