28335390

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1$

素因数の和:385

約数の個数: 64

約数和(自身を含む): 70543872

約数和(自身を除く): 42208482

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 53, 71, 106, 142, 159, 213, 251, 265, 318, 355, 426, 502, 530, 710, 753, 795, 1065, 1255, 1506, 1590, 2130, 2510, 3763, 3765, 7526, 7530, 11289, 13303, 17821, 18815, 22578, 26606, 35642, 37630, 39909, 53463, 56445, 66515, 79818, 89105, 106926, 112890, 133030, 178210, 199545, 267315, 399090, 534630, 944513, 1889026, 2833539, 4722565, 5667078, 9445130, 14167695, 28335390]

約数ペア:

[(1, 28335390), (2, 14167695), (3, 9445130), (5, 5667078), (6, 4722565), (10, 2833539), (15, 1889026), (30, 944513), (53, 534630), (71, 399090), (106, 267315), (142, 199545), (159, 178210), (213, 133030), (251, 112890), (265, 106926), (318, 89105), (355, 79818), (426, 66515), (502, 56445), (530, 53463), (710, 39909), (753, 37630), (795, 35642), (1065, 26606), (1255, 22578), (1506, 18815), (1590, 17821), (2130, 13303), (2510, 11289), (3763, 7530), (3765, 7526)]