201491048

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{3257}}^1$

素因数の和:3330

約数の個数: 64

約数和(自身を含む): 445694400

約数和(自身を除く): 244203352

約数列:

[1, 2, 4, 8, 11, 19, 22, 37, 38, 44, 74, 76, 88, 148, 152, 209, 296, 407, 418, 703, 814, 836, 1406, 1628, 1672, 2812, 3256, 3257, 5624, 6514, 7733, 13028, 15466, 26056, 30932, 35827, 61864, 61883, 71654, 120509, 123766, 143308, 241018, 247532, 286616, 482036, 495064, 680713, 964072, 1325599, 1361426, 2289671, 2651198, 2722852, 4579342, 5302396, 5445704, 9158684, 10604792, 18317368, 25186381, 50372762, 100745524, 201491048]

約数ペア:

[(1, 201491048), (2, 100745524), (4, 50372762), (8, 25186381), (11, 18317368), (19, 10604792), (22, 9158684), (37, 5445704), (38, 5302396), (44, 4579342), (74, 2722852), (76, 2651198), (88, 2289671), (148, 1361426), (152, 1325599), (209, 964072), (296, 680713), (407, 495064), (418, 482036), (703, 286616), (814, 247532), (836, 241018), (1406, 143308), (1628, 123766), (1672, 120509), (2812, 71654), (3256, 61883), (3257, 61864), (5624, 35827), (6514, 30932), (7733, 26056), (13028, 15466)]