28086408

素因数分解:

$2^3\times 3^2\times 7^2\times {\mathrm{19}}^1\times {\mathrm{419}}^1$

素因数の和:464

約数の個数: 144

約数和(自身を含む): 93366000

約数和(自身を除く): 65279592

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 19, 21, 24, 28, 36, 38, 42, 49, 56, 57, 63, 72, 76, 84, 98, 114, 126, 133, 147, 152, 168, 171, 196, 228, 252, 266, 294, 342, 392, 399, 419, 441, 456, 504, 532, 588, 684, 798, 838, 882, 931, 1064, 1176, 1197, 1257, 1368, 1596, 1676, 1764, 1862, 2394, 2514, 2793, 2933, 3192, 3352, 3528, 3724, 3771, 4788, 5028, 5586, 5866, 7448, 7542, 7961, 8379, 8799, 9576, 10056, 11172, 11732, 15084, 15922, 16758, 17598, 20531, 22344, 23464, 23883, 26397, 30168, 31844, 33516, 35196, 41062, 47766, 52794, 55727, 61593, 63688, 67032, 70392, 71649, 82124, 95532, 105588, 111454, 123186, 143298, 164248, 167181, 184779, 191064, 211176, 222908, 246372, 286596, 334362, 369558, 390089, 445816, 492744, 501543, 573192, 668724, 739116, 780178, 1003086, 1170267, 1337448, 1478232, 1560356, 2006172, 2340534, 3120712, 3510801, 4012344, 4681068, 7021602, 9362136, 14043204, 28086408]

約数ペア:

[(1, 28086408), (2, 14043204), (3, 9362136), (4, 7021602), (6, 4681068), (7, 4012344), (8, 3510801), (9, 3120712), (12, 2340534), (14, 2006172), (18, 1560356), (19, 1478232), (21, 1337448), (24, 1170267), (28, 1003086), (36, 780178), (38, 739116), (42, 668724), (49, 573192), (56, 501543), (57, 492744), (63, 445816), (72, 390089), (76, 369558), (84, 334362), (98, 286596), (114, 246372), (126, 222908), (133, 211176), (147, 191064), (152, 184779), (168, 167181), (171, 164248), (196, 143298), (228, 123186), (252, 111454), (266, 105588), (294, 95532), (342, 82124), (392, 71649), (399, 70392), (419, 67032), (441, 63688), (456, 61593), (504, 55727), (532, 52794), (588, 47766), (684, 41062), (798, 35196), (838, 33516), (882, 31844), (931, 30168), (1064, 26397), (1176, 23883), (1197, 23464), (1257, 22344), (1368, 20531), (1596, 17598), (1676, 16758), (1764, 15922), (1862, 15084), (2394, 11732), (2514, 11172), (2793, 10056), (2933, 9576), (3192, 8799), (3352, 8379), (3528, 7961), (3724, 7542), (3771, 7448), (4788, 5866), (5028, 5586)]