28307916

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{8641}}^1$

素因数の和:8671

約数の個数: 72

約数和(自身を含む): 88079264

約数和(自身を除く): 59771348

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 52, 63, 78, 84, 91, 117, 126, 156, 182, 234, 252, 273, 364, 468, 546, 819, 1092, 1638, 3276, 8641, 17282, 25923, 34564, 51846, 60487, 77769, 103692, 112333, 120974, 155538, 181461, 224666, 241948, 311076, 336999, 362922, 449332, 544383, 673998, 725844, 786331, 1010997, 1088766, 1347996, 1572662, 2021994, 2177532, 2358993, 3145324, 4043988, 4717986, 7076979, 9435972, 14153958, 28307916]

約数ペア:

[(1, 28307916), (2, 14153958), (3, 9435972), (4, 7076979), (6, 4717986), (7, 4043988), (9, 3145324), (12, 2358993), (13, 2177532), (14, 2021994), (18, 1572662), (21, 1347996), (26, 1088766), (28, 1010997), (36, 786331), (39, 725844), (42, 673998), (52, 544383), (63, 449332), (78, 362922), (84, 336999), (91, 311076), (117, 241948), (126, 224666), (156, 181461), (182, 155538), (234, 120974), (252, 112333), (273, 103692), (364, 77769), (468, 60487), (546, 51846), (819, 34564), (1092, 25923), (1638, 17282), (3276, 8641)]