287178008

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{103}}^1$

素因数の和:241

約数の個数: 128

約数和(自身を含む): 660441600

約数和(自身を除く): 373263592

約数列:

[1, 2, 4, 8, 13, 17, 19, 26, 34, 38, 52, 68, 76, 83, 103, 104, 136, 152, 166, 206, 221, 247, 323, 332, 412, 442, 494, 646, 664, 824, 884, 988, 1079, 1292, 1339, 1411, 1577, 1751, 1768, 1957, 1976, 2158, 2584, 2678, 2822, 3154, 3502, 3914, 4199, 4316, 5356, 5644, 6308, 7004, 7828, 8398, 8549, 8632, 10712, 11288, 12616, 14008, 15656, 16796, 17098, 18343, 20501, 22763, 25441, 26809, 33269, 33592, 34196, 36686, 41002, 45526, 50882, 53618, 66538, 68392, 73372, 82004, 91052, 101764, 107236, 111137, 133076, 145333, 146744, 162431, 164008, 182104, 203528, 214472, 222274, 266152, 290666, 324862, 348517, 432497, 444548, 581332, 649724, 697034, 864994, 889096, 1162664, 1299448, 1394068, 1729988, 1889329, 2111603, 2761327, 2788136, 3459976, 3778658, 4223206, 5522654, 7557316, 8446412, 11045308, 15114632, 16892824, 22090616, 35897251, 71794502, 143589004, 287178008]

約数ペア:

[(1, 287178008), (2, 143589004), (4, 71794502), (8, 35897251), (13, 22090616), (17, 16892824), (19, 15114632), (26, 11045308), (34, 8446412), (38, 7557316), (52, 5522654), (68, 4223206), (76, 3778658), (83, 3459976), (103, 2788136), (104, 2761327), (136, 2111603), (152, 1889329), (166, 1729988), (206, 1394068), (221, 1299448), (247, 1162664), (323, 889096), (332, 864994), (412, 697034), (442, 649724), (494, 581332), (646, 444548), (664, 432497), (824, 348517), (884, 324862), (988, 290666), (1079, 266152), (1292, 222274), (1339, 214472), (1411, 203528), (1577, 182104), (1751, 164008), (1768, 162431), (1957, 146744), (1976, 145333), (2158, 133076), (2584, 111137), (2678, 107236), (2822, 101764), (3154, 91052), (3502, 82004), (3914, 73372), (4199, 68392), (4316, 66538), (5356, 53618), (5644, 50882), (6308, 45526), (7004, 41002), (7828, 36686), (8398, 34196), (8549, 33592), (8632, 33269), (10712, 26809), (11288, 25441), (12616, 22763), (14008, 20501), (15656, 18343), (16796, 17098)]