16199895

素因数分解:

$3^1\times 5^1\times {\mathrm{17}}^2\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:180

約数の個数: 48

約数和(自身を含む): 28558368

約数和(自身を除く): 12358473

約数列:

[1, 3, 5, 15, 17, 37, 51, 85, 101, 111, 185, 255, 289, 303, 505, 555, 629, 867, 1445, 1515, 1717, 1887, 3145, 3737, 4335, 5151, 8585, 9435, 10693, 11211, 18685, 25755, 29189, 32079, 53465, 56055, 63529, 87567, 145945, 160395, 190587, 317645, 437835, 952935, 1079993, 3239979, 5399965, 16199895]

約数ペア:

[(1, 16199895), (3, 5399965), (5, 3239979), (15, 1079993), (17, 952935), (37, 437835), (51, 317645), (85, 190587), (101, 160395), (111, 145945), (185, 87567), (255, 63529), (289, 56055), (303, 53465), (505, 32079), (555, 29189), (629, 25755), (867, 18685), (1445, 11211), (1515, 10693), (1717, 9435), (1887, 8585), (3145, 5151), (3737, 4335)]