208514988

素因数分解:

$2^2\times 3^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{271}}^1$

素因数の和:388

約数の個数: 144

約数和(自身を含む): 605928960

約数和(自身を除く): 397413972

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 29, 33, 36, 44, 58, 66, 67, 87, 99, 116, 132, 134, 174, 198, 201, 261, 268, 271, 319, 348, 396, 402, 522, 542, 603, 638, 737, 804, 813, 957, 1044, 1084, 1206, 1276, 1474, 1626, 1914, 1943, 2211, 2412, 2439, 2871, 2948, 2981, 3252, 3828, 3886, 4422, 4878, 5742, 5829, 5962, 6633, 7772, 7859, 8844, 8943, 9756, 11484, 11658, 11924, 13266, 15718, 17487, 17886, 18157, 21373, 23316, 23577, 26532, 26829, 31436, 34974, 35772, 36314, 42746, 47154, 53658, 54471, 64119, 69948, 70731, 72628, 85492, 86449, 94308, 107316, 108942, 128238, 141462, 163413, 172898, 192357, 199727, 217884, 256476, 259347, 282924, 326826, 345796, 384714, 399454, 518694, 526553, 599181, 653652, 769428, 778041, 798908, 1037388, 1053106, 1198362, 1556082, 1579659, 1797543, 2106212, 2396724, 3112164, 3159318, 3595086, 4738977, 5792083, 6318636, 7190172, 9477954, 11584166, 17376249, 18955908, 23168332, 34752498, 52128747, 69504996, 104257494, 208514988]

約数ペア:

[(1, 208514988), (2, 104257494), (3, 69504996), (4, 52128747), (6, 34752498), (9, 23168332), (11, 18955908), (12, 17376249), (18, 11584166), (22, 9477954), (29, 7190172), (33, 6318636), (36, 5792083), (44, 4738977), (58, 3595086), (66, 3159318), (67, 3112164), (87, 2396724), (99, 2106212), (116, 1797543), (132, 1579659), (134, 1556082), (174, 1198362), (198, 1053106), (201, 1037388), (261, 798908), (268, 778041), (271, 769428), (319, 653652), (348, 599181), (396, 526553), (402, 518694), (522, 399454), (542, 384714), (603, 345796), (638, 326826), (737, 282924), (804, 259347), (813, 256476), (957, 217884), (1044, 199727), (1084, 192357), (1206, 172898), (1276, 163413), (1474, 141462), (1626, 128238), (1914, 108942), (1943, 107316), (2211, 94308), (2412, 86449), (2439, 85492), (2871, 72628), (2948, 70731), (2981, 69948), (3252, 64119), (3828, 54471), (3886, 53658), (4422, 47154), (4878, 42746), (5742, 36314), (5829, 35772), (5962, 34974), (6633, 31436), (7772, 26829), (7859, 26532), (8844, 23577), (8943, 23316), (9756, 21373), (11484, 18157), (11658, 17886), (11924, 17487), (13266, 15718)]