28857972

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{251}}^1$

素因数の和:349

約数の個数: 96

約数和(自身を含む): 80607744

約数和(自身を除く): 51749772

約数列:

[1, 2, 3, 4, 6, 11, 12, 13, 22, 26, 33, 39, 44, 52, 66, 67, 78, 132, 134, 143, 156, 201, 251, 268, 286, 402, 429, 502, 572, 737, 753, 804, 858, 871, 1004, 1474, 1506, 1716, 1742, 2211, 2613, 2761, 2948, 3012, 3263, 3484, 4422, 5226, 5522, 6526, 8283, 8844, 9581, 9789, 10452, 11044, 13052, 16566, 16817, 19162, 19578, 28743, 33132, 33634, 35893, 38324, 39156, 50451, 57486, 67268, 71786, 100902, 107679, 114972, 143572, 184987, 201804, 215358, 218621, 369974, 430716, 437242, 554961, 655863, 739948, 874484, 1109922, 1311726, 2219844, 2404831, 2623452, 4809662, 7214493, 9619324, 14428986, 28857972]

約数ペア:

[(1, 28857972), (2, 14428986), (3, 9619324), (4, 7214493), (6, 4809662), (11, 2623452), (12, 2404831), (13, 2219844), (22, 1311726), (26, 1109922), (33, 874484), (39, 739948), (44, 655863), (52, 554961), (66, 437242), (67, 430716), (78, 369974), (132, 218621), (134, 215358), (143, 201804), (156, 184987), (201, 143572), (251, 114972), (268, 107679), (286, 100902), (402, 71786), (429, 67268), (502, 57486), (572, 50451), (737, 39156), (753, 38324), (804, 35893), (858, 33634), (871, 33132), (1004, 28743), (1474, 19578), (1506, 19162), (1716, 16817), (1742, 16566), (2211, 13052), (2613, 11044), (2761, 10452), (2948, 9789), (3012, 9581), (3263, 8844), (3484, 8283), (4422, 6526), (5226, 5522)]