28978974735

素因数分解:

$3^1\times 5^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{659}}^1\times {\mathrm{863}}^1$

素因数の和:1652

約数の個数: 64

約数和(自身を含む): 48173875200

約数和(自身を除く): 19194900465

約数列:

[1, 3, 5, 15, 43, 79, 129, 215, 237, 395, 645, 659, 863, 1185, 1977, 2589, 3295, 3397, 4315, 9885, 10191, 12945, 16985, 28337, 37109, 50955, 52061, 68177, 85011, 111327, 141685, 156183, 185545, 204531, 260305, 340885, 425055, 556635, 568717, 780915, 1022655, 1706151, 2238623, 2843585, 2931611, 6715869, 8530755, 8794833, 11193115, 14658055, 24454831, 33579345, 43974165, 44928643, 73364493, 122274155, 134785929, 224643215, 366822465, 673929645, 1931931649, 5795794947, 9659658245, 28978974735]

約数ペア:

[(1, 28978974735), (3, 9659658245), (5, 5795794947), (15, 1931931649), (43, 673929645), (79, 366822465), (129, 224643215), (215, 134785929), (237, 122274155), (395, 73364493), (645, 44928643), (659, 43974165), (863, 33579345), (1185, 24454831), (1977, 14658055), (2589, 11193115), (3295, 8794833), (3397, 8530755), (4315, 6715869), (9885, 2931611), (10191, 2843585), (12945, 2238623), (16985, 1706151), (28337, 1022655), (37109, 780915), (50955, 568717), (52061, 556635), (68177, 425055), (85011, 340885), (111327, 260305), (141685, 204531), (156183, 185545)]