161311724

素因数分解:

$2^2\times 7^2\times {\mathrm{31}}^1\times {\mathrm{139}}^1\times {\mathrm{191}}^1$

素因数の和:379

約数の個数: 72

約数和(自身を含む): 343203840

約数和(自身を除く): 181892116

約数列:

[1, 2, 4, 7, 14, 28, 31, 49, 62, 98, 124, 139, 191, 196, 217, 278, 382, 434, 556, 764, 868, 973, 1337, 1519, 1946, 2674, 3038, 3892, 4309, 5348, 5921, 6076, 6811, 8618, 9359, 11842, 13622, 17236, 18718, 23684, 26549, 27244, 30163, 37436, 41447, 53098, 60326, 82894, 106196, 120652, 165788, 185843, 211141, 290129, 371686, 422282, 580258, 743372, 823019, 844564, 1160516, 1300901, 1646038, 2601802, 3292076, 5203604, 5761133, 11522266, 23044532, 40327931, 80655862, 161311724]

約数ペア:

[(1, 161311724), (2, 80655862), (4, 40327931), (7, 23044532), (14, 11522266), (28, 5761133), (31, 5203604), (49, 3292076), (62, 2601802), (98, 1646038), (124, 1300901), (139, 1160516), (191, 844564), (196, 823019), (217, 743372), (278, 580258), (382, 422282), (434, 371686), (556, 290129), (764, 211141), (868, 185843), (973, 165788), (1337, 120652), (1519, 106196), (1946, 82894), (2674, 60326), (3038, 53098), (3892, 41447), (4309, 37436), (5348, 30163), (5921, 27244), (6076, 26549), (6811, 23684), (8618, 18718), (9359, 17236), (11842, 13622)]