25581045

素因数分解:

$3^1\times 5^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{271}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 50135040

約数和(自身を除く): 24553995

約数列:

[1, 3, 5, 7, 15, 21, 29, 31, 35, 87, 93, 105, 145, 155, 203, 217, 271, 435, 465, 609, 651, 813, 899, 1015, 1085, 1355, 1897, 2697, 3045, 3255, 4065, 4495, 5691, 6293, 7859, 8401, 9485, 13485, 18879, 23577, 25203, 28455, 31465, 39295, 42005, 55013, 58807, 94395, 117885, 126015, 165039, 176421, 243629, 275065, 294035, 730887, 825195, 882105, 1218145, 1705403, 3654435, 5116209, 8527015, 25581045]

約数ペア:

[(1, 25581045), (3, 8527015), (5, 5116209), (7, 3654435), (15, 1705403), (21, 1218145), (29, 882105), (31, 825195), (35, 730887), (87, 294035), (93, 275065), (105, 243629), (145, 176421), (155, 165039), (203, 126015), (217, 117885), (271, 94395), (435, 58807), (465, 55013), (609, 42005), (651, 39295), (813, 31465), (899, 28455), (1015, 25203), (1085, 23577), (1355, 18879), (1897, 13485), (2697, 9485), (3045, 8401), (3255, 7859), (4065, 6293), (4495, 5691)]