28556316

素因数分解:

$2^2\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{503}}^1$

素因数の和:615

約数の個数: 72

約数和(自身を含む): 77051520

約数和(自身を除く): 48495204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 19, 36, 38, 57, 76, 83, 114, 166, 171, 228, 249, 332, 342, 498, 503, 684, 747, 996, 1006, 1494, 1509, 1577, 2012, 2988, 3018, 3154, 4527, 4731, 6036, 6308, 9054, 9462, 9557, 14193, 18108, 18924, 19114, 28386, 28671, 38228, 41749, 56772, 57342, 83498, 86013, 114684, 125247, 166996, 172026, 250494, 344052, 375741, 500988, 751482, 793231, 1502964, 1586462, 2379693, 3172924, 4759386, 7139079, 9518772, 14278158, 28556316]

約数ペア:

[(1, 28556316), (2, 14278158), (3, 9518772), (4, 7139079), (6, 4759386), (9, 3172924), (12, 2379693), (18, 1586462), (19, 1502964), (36, 793231), (38, 751482), (57, 500988), (76, 375741), (83, 344052), (114, 250494), (166, 172026), (171, 166996), (228, 125247), (249, 114684), (332, 86013), (342, 83498), (498, 57342), (503, 56772), (684, 41749), (747, 38228), (996, 28671), (1006, 28386), (1494, 19114), (1509, 18924), (1577, 18108), (2012, 14193), (2988, 9557), (3018, 9462), (3154, 9054), (4527, 6308), (4731, 6036)]