28805238

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{2969}}^1$

素因数の和:3002

約数の個数: 72

約数和(自身を含む): 79227720

約数和(自身を除く): 50422482

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 42, 49, 63, 66, 77, 98, 99, 126, 147, 154, 198, 231, 294, 441, 462, 539, 693, 882, 1078, 1386, 1617, 2969, 3234, 4851, 5938, 8907, 9702, 17814, 20783, 26721, 32659, 41566, 53442, 62349, 65318, 97977, 124698, 145481, 187047, 195954, 228613, 290962, 293931, 374094, 436443, 457226, 587862, 685839, 872886, 1309329, 1371678, 1600291, 2057517, 2618658, 3200582, 4115034, 4800873, 9601746, 14402619, 28805238]

約数ペア:

[(1, 28805238), (2, 14402619), (3, 9601746), (6, 4800873), (7, 4115034), (9, 3200582), (11, 2618658), (14, 2057517), (18, 1600291), (21, 1371678), (22, 1309329), (33, 872886), (42, 685839), (49, 587862), (63, 457226), (66, 436443), (77, 374094), (98, 293931), (99, 290962), (126, 228613), (147, 195954), (154, 187047), (198, 145481), (231, 124698), (294, 97977), (441, 65318), (462, 62349), (539, 53442), (693, 41566), (882, 32659), (1078, 26721), (1386, 20783), (1617, 17814), (2969, 9702), (3234, 8907), (4851, 5938)]