28770294

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{1163}}^1$

素因数の和:1225

約数の個数: 64

約数和(自身を含む): 71516160

約数和(自身を除く): 42745866

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 31, 38, 42, 57, 62, 93, 114, 133, 186, 217, 266, 399, 434, 589, 651, 798, 1163, 1178, 1302, 1767, 2326, 3489, 3534, 4123, 6978, 8141, 8246, 12369, 16282, 22097, 24423, 24738, 36053, 44194, 48846, 66291, 72106, 108159, 132582, 154679, 216318, 252371, 309358, 464037, 504742, 685007, 757113, 928074, 1370014, 1514226, 2055021, 4110042, 4795049, 9590098, 14385147, 28770294]

約数ペア:

[(1, 28770294), (2, 14385147), (3, 9590098), (6, 4795049), (7, 4110042), (14, 2055021), (19, 1514226), (21, 1370014), (31, 928074), (38, 757113), (42, 685007), (57, 504742), (62, 464037), (93, 309358), (114, 252371), (133, 216318), (186, 154679), (217, 132582), (266, 108159), (399, 72106), (434, 66291), (589, 48846), (651, 44194), (798, 36053), (1163, 24738), (1178, 24423), (1302, 22097), (1767, 16282), (2326, 12369), (3489, 8246), (3534, 8141), (4123, 6978)]