251147008

素因数分解:

$2^8\times 7^1\times {\mathrm{269}}^1\times {\mathrm{521}}^1$

素因数の和:813

約数の個数: 72

約数和(自身を含む): 576162720

約数和(自身を除く): 325015712

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 269, 448, 521, 538, 896, 1042, 1076, 1792, 1883, 2084, 2152, 3647, 3766, 4168, 4304, 7294, 7532, 8336, 8608, 14588, 15064, 16672, 17216, 29176, 30128, 33344, 34432, 58352, 60256, 66688, 68864, 116704, 120512, 133376, 140149, 233408, 241024, 280298, 466816, 482048, 560596, 933632, 981043, 1121192, 1962086, 2242384, 3924172, 4484768, 7848344, 8969536, 15696688, 17939072, 31393376, 35878144, 62786752, 125573504, 251147008]

約数ペア:

[(1, 251147008), (2, 125573504), (4, 62786752), (7, 35878144), (8, 31393376), (14, 17939072), (16, 15696688), (28, 8969536), (32, 7848344), (56, 4484768), (64, 3924172), (112, 2242384), (128, 1962086), (224, 1121192), (256, 981043), (269, 933632), (448, 560596), (521, 482048), (538, 466816), (896, 280298), (1042, 241024), (1076, 233408), (1792, 140149), (1883, 133376), (2084, 120512), (2152, 116704), (3647, 68864), (3766, 66688), (4168, 60256), (4304, 58352), (7294, 34432), (7532, 33344), (8336, 30128), (8608, 29176), (14588, 17216), (15064, 16672)]