28417844

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{587}}^1$

素因数の和:637

約数の個数: 72

約数和(自身を含む): 65691360

約数和(自身を除く): 37273516

約数列:

[1, 2, 4, 7, 13, 14, 19, 26, 28, 38, 49, 52, 76, 91, 98, 133, 182, 196, 247, 266, 364, 494, 532, 587, 637, 931, 988, 1174, 1274, 1729, 1862, 2348, 2548, 3458, 3724, 4109, 6916, 7631, 8218, 11153, 12103, 15262, 16436, 22306, 24206, 28763, 30524, 44612, 48412, 53417, 57526, 78071, 106834, 115052, 144989, 156142, 213668, 289978, 312284, 373919, 546497, 579956, 747838, 1014923, 1092994, 1495676, 2029846, 2185988, 4059692, 7104461, 14208922, 28417844]

約数ペア:

[(1, 28417844), (2, 14208922), (4, 7104461), (7, 4059692), (13, 2185988), (14, 2029846), (19, 1495676), (26, 1092994), (28, 1014923), (38, 747838), (49, 579956), (52, 546497), (76, 373919), (91, 312284), (98, 289978), (133, 213668), (182, 156142), (196, 144989), (247, 115052), (266, 106834), (364, 78071), (494, 57526), (532, 53417), (587, 48412), (637, 44612), (931, 30524), (988, 28763), (1174, 24206), (1274, 22306), (1729, 16436), (1862, 15262), (2348, 12103), (2548, 11153), (3458, 8218), (3724, 7631), (4109, 6916)]