28203472

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1$

素因数の和:188

約数の個数: 80

約数和(自身を含む): 63103104

約数和(自身を除く): 34899632

約数列:

[1, 2, 4, 8, 11, 16, 22, 37, 44, 61, 71, 74, 88, 122, 142, 148, 176, 244, 284, 296, 407, 488, 568, 592, 671, 781, 814, 976, 1136, 1342, 1562, 1628, 2257, 2627, 2684, 3124, 3256, 4331, 4514, 5254, 5368, 6248, 6512, 8662, 9028, 10508, 10736, 12496, 17324, 18056, 21016, 24827, 28897, 34648, 36112, 42032, 47641, 49654, 57794, 69296, 95282, 99308, 115588, 160247, 190564, 198616, 231176, 320494, 381128, 397232, 462352, 640988, 762256, 1281976, 1762717, 2563952, 3525434, 7050868, 14101736, 28203472]

約数ペア:

[(1, 28203472), (2, 14101736), (4, 7050868), (8, 3525434), (11, 2563952), (16, 1762717), (22, 1281976), (37, 762256), (44, 640988), (61, 462352), (71, 397232), (74, 381128), (88, 320494), (122, 231176), (142, 198616), (148, 190564), (176, 160247), (244, 115588), (284, 99308), (296, 95282), (407, 69296), (488, 57794), (568, 49654), (592, 47641), (671, 42032), (781, 36112), (814, 34648), (976, 28897), (1136, 24827), (1342, 21016), (1562, 18056), (1628, 17324), (2257, 12496), (2627, 10736), (2684, 10508), (3124, 9028), (3256, 8662), (4331, 6512), (4514, 6248), (5254, 5368)]