28550236

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{71}}^1$

素因数の和:155

約数の個数: 96

約数和(自身を含む): 64350720

約数和(自身を除く): 35800484

約数列:

[1, 2, 4, 11, 13, 19, 22, 26, 37, 38, 44, 52, 71, 74, 76, 142, 143, 148, 209, 247, 284, 286, 407, 418, 481, 494, 572, 703, 781, 814, 836, 923, 962, 988, 1349, 1406, 1562, 1628, 1846, 1924, 2627, 2698, 2717, 2812, 3124, 3692, 5254, 5291, 5396, 5434, 7733, 9139, 10153, 10508, 10582, 10868, 14839, 15466, 17537, 18278, 20306, 21164, 28897, 29678, 30932, 34151, 35074, 36556, 40612, 49913, 57794, 59356, 68302, 70148, 99826, 100529, 115588, 136604, 192907, 199652, 201058, 375661, 385814, 402116, 549043, 648869, 751322, 771628, 1098086, 1297738, 1502644, 2196172, 2595476, 7137559, 14275118, 28550236]

約数ペア:

[(1, 28550236), (2, 14275118), (4, 7137559), (11, 2595476), (13, 2196172), (19, 1502644), (22, 1297738), (26, 1098086), (37, 771628), (38, 751322), (44, 648869), (52, 549043), (71, 402116), (74, 385814), (76, 375661), (142, 201058), (143, 199652), (148, 192907), (209, 136604), (247, 115588), (284, 100529), (286, 99826), (407, 70148), (418, 68302), (481, 59356), (494, 57794), (572, 49913), (703, 40612), (781, 36556), (814, 35074), (836, 34151), (923, 30932), (962, 29678), (988, 28897), (1349, 21164), (1406, 20306), (1562, 18278), (1628, 17537), (1846, 15466), (1924, 14839), (2627, 10868), (2698, 10582), (2717, 10508), (2812, 10153), (3124, 9139), (3692, 7733), (5254, 5434), (5291, 5396)]