28665252

素因数分解:

$2^2\times 3^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{383}}^1$

素因数の和:420

約数の個数: 144

約数和(自身を含む): 93929472

約数和(自身を除く): 65264220

約数列:

[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 27, 28, 33, 36, 42, 44, 54, 63, 66, 77, 81, 84, 99, 108, 126, 132, 154, 162, 189, 198, 231, 243, 252, 297, 308, 324, 378, 383, 396, 462, 486, 567, 594, 693, 756, 766, 891, 924, 972, 1134, 1149, 1188, 1386, 1532, 1701, 1782, 2079, 2268, 2298, 2673, 2681, 2772, 3402, 3447, 3564, 4158, 4213, 4596, 5346, 5362, 6237, 6804, 6894, 8043, 8316, 8426, 10341, 10692, 10724, 12474, 12639, 13788, 16086, 16852, 18711, 20682, 24129, 24948, 25278, 29491, 31023, 32172, 37422, 37917, 41364, 48258, 50556, 58982, 62046, 72387, 74844, 75834, 88473, 93069, 96516, 113751, 117964, 124092, 144774, 151668, 176946, 186138, 217161, 227502, 265419, 289548, 341253, 353892, 372276, 434322, 455004, 530838, 651483, 682506, 796257, 868644, 1023759, 1061676, 1302966, 1365012, 1592514, 2047518, 2388771, 2605932, 3185028, 4095036, 4777542, 7166313, 9555084, 14332626, 28665252]

約数ペア:

[(1, 28665252), (2, 14332626), (3, 9555084), (4, 7166313), (6, 4777542), (7, 4095036), (9, 3185028), (11, 2605932), (12, 2388771), (14, 2047518), (18, 1592514), (21, 1365012), (22, 1302966), (27, 1061676), (28, 1023759), (33, 868644), (36, 796257), (42, 682506), (44, 651483), (54, 530838), (63, 455004), (66, 434322), (77, 372276), (81, 353892), (84, 341253), (99, 289548), (108, 265419), (126, 227502), (132, 217161), (154, 186138), (162, 176946), (189, 151668), (198, 144774), (231, 124092), (243, 117964), (252, 113751), (297, 96516), (308, 93069), (324, 88473), (378, 75834), (383, 74844), (396, 72387), (462, 62046), (486, 58982), (567, 50556), (594, 48258), (693, 41364), (756, 37917), (766, 37422), (891, 32172), (924, 31023), (972, 29491), (1134, 25278), (1149, 24948), (1188, 24129), (1386, 20682), (1532, 18711), (1701, 16852), (1782, 16086), (2079, 13788), (2268, 12639), (2298, 12474), (2673, 10724), (2681, 10692), (2772, 10341), (3402, 8426), (3447, 8316), (3564, 8043), (4158, 6894), (4213, 6804), (4596, 6237), (5346, 5362)]