991234512

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{167}}^1\times {\mathrm{877}}^1$

素因数の和:1105

約数の個数: 120

約数和(自身を含む): 2853317376

約数和(自身を除く): 1862082864

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 167, 188, 282, 334, 376, 423, 501, 564, 668, 752, 846, 877, 1002, 1128, 1336, 1503, 1692, 1754, 2004, 2256, 2631, 2672, 3006, 3384, 3508, 4008, 5262, 6012, 6768, 7016, 7849, 7893, 8016, 10524, 12024, 14032, 15698, 15786, 21048, 23547, 24048, 31396, 31572, 41219, 42096, 47094, 62792, 63144, 70641, 82438, 94188, 123657, 125584, 126288, 141282, 146459, 164876, 188376, 247314, 282564, 292918, 329752, 370971, 376752, 439377, 494628, 565128, 585836, 659504, 741942, 878754, 989256, 1130256, 1171672, 1318131, 1483884, 1757508, 1978512, 2343344, 2636262, 2967768, 3515016, 5272524, 5935536, 6883573, 7030032, 10545048, 13767146, 20650719, 21090096, 27534292, 41301438, 55068584, 61952157, 82602876, 110137168, 123904314, 165205752, 247808628, 330411504, 495617256, 991234512]

約数ペア:

[(1, 991234512), (2, 495617256), (3, 330411504), (4, 247808628), (6, 165205752), (8, 123904314), (9, 110137168), (12, 82602876), (16, 61952157), (18, 55068584), (24, 41301438), (36, 27534292), (47, 21090096), (48, 20650719), (72, 13767146), (94, 10545048), (141, 7030032), (144, 6883573), (167, 5935536), (188, 5272524), (282, 3515016), (334, 2967768), (376, 2636262), (423, 2343344), (501, 1978512), (564, 1757508), (668, 1483884), (752, 1318131), (846, 1171672), (877, 1130256), (1002, 989256), (1128, 878754), (1336, 741942), (1503, 659504), (1692, 585836), (1754, 565128), (2004, 494628), (2256, 439377), (2631, 376752), (2672, 370971), (3006, 329752), (3384, 292918), (3508, 282564), (4008, 247314), (5262, 188376), (6012, 164876), (6768, 146459), (7016, 141282), (7849, 126288), (7893, 125584), (8016, 123657), (10524, 94188), (12024, 82438), (14032, 70641), (15698, 63144), (15786, 62792), (21048, 47094), (23547, 42096), (24048, 41219), (31396, 31572)]