278621928

素因数分解:

$2^3\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{15667}}^1$

素因数の和:15711

約数の個数: 96

約数和(自身を含む): 855472800

約数和(自身を除く): 576850872

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 18, 19, 24, 26, 36, 38, 39, 52, 57, 72, 76, 78, 104, 114, 117, 152, 156, 171, 228, 234, 247, 312, 342, 456, 468, 494, 684, 741, 936, 988, 1368, 1482, 1976, 2223, 2964, 4446, 5928, 8892, 15667, 17784, 31334, 47001, 62668, 94002, 125336, 141003, 188004, 203671, 282006, 297673, 376008, 407342, 564012, 595346, 611013, 814684, 893019, 1128024, 1190692, 1222026, 1629368, 1786038, 1833039, 2381384, 2444052, 2679057, 3572076, 3666078, 3869749, 4888104, 5358114, 7144152, 7332156, 7739498, 10716228, 11609247, 14664312, 15478996, 21432456, 23218494, 30957992, 34827741, 46436988, 69655482, 92873976, 139310964, 278621928]

約数ペア:

[(1, 278621928), (2, 139310964), (3, 92873976), (4, 69655482), (6, 46436988), (8, 34827741), (9, 30957992), (12, 23218494), (13, 21432456), (18, 15478996), (19, 14664312), (24, 11609247), (26, 10716228), (36, 7739498), (38, 7332156), (39, 7144152), (52, 5358114), (57, 4888104), (72, 3869749), (76, 3666078), (78, 3572076), (104, 2679057), (114, 2444052), (117, 2381384), (152, 1833039), (156, 1786038), (171, 1629368), (228, 1222026), (234, 1190692), (247, 1128024), (312, 893019), (342, 814684), (456, 611013), (468, 595346), (494, 564012), (684, 407342), (741, 376008), (936, 297673), (988, 282006), (1368, 203671), (1482, 188004), (1976, 141003), (2223, 125336), (2964, 94002), (4446, 62668), (5928, 47001), (8892, 31334), (15667, 17784)]