1997083396

素因数分解:

$2^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{557}}^1\times {\mathrm{1663}}^1$

素因数の和:2249

約数の個数: 72

約数和(自身を含む): 4445715456

約数和(自身を除く): 2448632060

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 154, 196, 308, 539, 557, 1078, 1114, 1663, 2156, 2228, 3326, 3899, 6127, 6652, 7798, 11641, 12254, 15596, 18293, 23282, 24508, 27293, 36586, 42889, 46564, 54586, 73172, 81487, 85778, 109172, 128051, 162974, 171556, 256102, 300223, 325948, 512204, 600446, 896357, 926291, 1200892, 1792714, 1852582, 3585428, 3705164, 6484037, 10189201, 12968074, 20378402, 25936148, 40756804, 45388259, 71324407, 90776518, 142648814, 181553036, 285297628, 499270849, 998541698, 1997083396]

約数ペア:

[(1, 1997083396), (2, 998541698), (4, 499270849), (7, 285297628), (11, 181553036), (14, 142648814), (22, 90776518), (28, 71324407), (44, 45388259), (49, 40756804), (77, 25936148), (98, 20378402), (154, 12968074), (196, 10189201), (308, 6484037), (539, 3705164), (557, 3585428), (1078, 1852582), (1114, 1792714), (1663, 1200892), (2156, 926291), (2228, 896357), (3326, 600446), (3899, 512204), (6127, 325948), (6652, 300223), (7798, 256102), (11641, 171556), (12254, 162974), (15596, 128051), (18293, 109172), (23282, 85778), (24508, 81487), (27293, 73172), (36586, 54586), (42889, 46564)]