90605008

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{193}}^1$

素因数の和:312

約数の個数: 80

約数和(自身を含む): 198365776

約数和(自身を除く): 107760768

約数列:

[1, 2, 4, 8, 13, 16, 26, 37, 52, 61, 74, 104, 122, 148, 193, 208, 244, 296, 386, 481, 488, 592, 772, 793, 962, 976, 1544, 1586, 1924, 2257, 2509, 3088, 3172, 3848, 4514, 5018, 6344, 7141, 7696, 9028, 10036, 11773, 12688, 14282, 18056, 20072, 23546, 28564, 29341, 36112, 40144, 47092, 57128, 58682, 92833, 94184, 114256, 117364, 153049, 185666, 188368, 234728, 306098, 371332, 435601, 469456, 612196, 742664, 871202, 1224392, 1485328, 1742404, 2448784, 3484808, 5662813, 6969616, 11325626, 22651252, 45302504, 90605008]

約数ペア:

[(1, 90605008), (2, 45302504), (4, 22651252), (8, 11325626), (13, 6969616), (16, 5662813), (26, 3484808), (37, 2448784), (52, 1742404), (61, 1485328), (74, 1224392), (104, 871202), (122, 742664), (148, 612196), (193, 469456), (208, 435601), (244, 371332), (296, 306098), (386, 234728), (481, 188368), (488, 185666), (592, 153049), (772, 117364), (793, 114256), (962, 94184), (976, 92833), (1544, 58682), (1586, 57128), (1924, 47092), (2257, 40144), (2509, 36112), (3088, 29341), (3172, 28564), (3848, 23546), (4514, 20072), (5018, 18056), (6344, 14282), (7141, 12688), (7696, 11773), (9028, 10036)]