201902155

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:308

約数の個数: 64

約数和(自身を含む): 312560640

約数和(自身を除く): 110658485

約数列:

[1, 5, 7, 13, 35, 37, 65, 67, 91, 179, 185, 259, 335, 455, 469, 481, 871, 895, 1253, 1295, 2327, 2345, 2405, 2479, 3367, 4355, 6097, 6265, 6623, 11635, 11993, 12395, 16289, 16835, 17353, 30485, 32227, 33115, 46361, 59965, 81445, 83951, 86099, 86765, 155909, 161135, 225589, 231805, 419755, 430495, 443741, 602693, 779545, 1091363, 1127945, 2218705, 3013465, 3106187, 5456815, 5768633, 15530935, 28843165, 40380431, 201902155]

約数ペア:

[(1, 201902155), (5, 40380431), (7, 28843165), (13, 15530935), (35, 5768633), (37, 5456815), (65, 3106187), (67, 3013465), (91, 2218705), (179, 1127945), (185, 1091363), (259, 779545), (335, 602693), (455, 443741), (469, 430495), (481, 419755), (871, 231805), (895, 225589), (1253, 161135), (1295, 155909), (2327, 86765), (2345, 86099), (2405, 83951), (2479, 81445), (3367, 59965), (4355, 46361), (6097, 33115), (6265, 32227), (6623, 30485), (11635, 17353), (11993, 16835), (12395, 16289)]