28358946

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{79}}^1$

素因数の和:149

約数の個数: 144

約数和(自身を含む): 81095040

約数和(自身を除く): 52736094

約数列:

[1, 2, 3, 6, 7, 9, 11, 14, 18, 21, 22, 33, 37, 42, 49, 63, 66, 74, 77, 79, 98, 99, 111, 126, 147, 154, 158, 198, 222, 231, 237, 259, 294, 333, 407, 441, 462, 474, 518, 539, 553, 666, 693, 711, 777, 814, 869, 882, 1078, 1106, 1221, 1386, 1422, 1554, 1617, 1659, 1738, 1813, 2331, 2442, 2607, 2849, 2923, 3234, 3318, 3626, 3663, 3871, 4662, 4851, 4977, 5214, 5439, 5698, 5846, 6083, 7326, 7742, 7821, 8547, 8769, 9702, 9954, 10878, 11613, 12166, 15642, 16317, 17094, 17538, 18249, 19943, 20461, 23226, 25641, 26307, 32153, 32634, 34839, 36498, 39886, 40922, 42581, 51282, 52614, 54747, 59829, 61383, 64306, 69678, 85162, 96459, 109494, 119658, 122766, 127743, 143227, 179487, 184149, 192918, 225071, 255486, 286454, 289377, 358974, 368298, 383229, 429681, 450142, 578754, 675213, 766458, 859362, 1289043, 1350426, 1575497, 2025639, 2578086, 3150994, 4051278, 4726491, 9452982, 14179473, 28358946]

約数ペア:

[(1, 28358946), (2, 14179473), (3, 9452982), (6, 4726491), (7, 4051278), (9, 3150994), (11, 2578086), (14, 2025639), (18, 1575497), (21, 1350426), (22, 1289043), (33, 859362), (37, 766458), (42, 675213), (49, 578754), (63, 450142), (66, 429681), (74, 383229), (77, 368298), (79, 358974), (98, 289377), (99, 286454), (111, 255486), (126, 225071), (147, 192918), (154, 184149), (158, 179487), (198, 143227), (222, 127743), (231, 122766), (237, 119658), (259, 109494), (294, 96459), (333, 85162), (407, 69678), (441, 64306), (462, 61383), (474, 59829), (518, 54747), (539, 52614), (553, 51282), (666, 42581), (693, 40922), (711, 39886), (777, 36498), (814, 34839), (869, 32634), (882, 32153), (1078, 26307), (1106, 25641), (1221, 23226), (1386, 20461), (1422, 19943), (1554, 18249), (1617, 17538), (1659, 17094), (1738, 16317), (1813, 15642), (2331, 12166), (2442, 11613), (2607, 10878), (2849, 9954), (2923, 9702), (3234, 8769), (3318, 8547), (3626, 7821), (3663, 7742), (3871, 7326), (4662, 6083), (4851, 5846), (4977, 5698), (5214, 5439)]